1# This set of tests is for features that are compatible with all versions of 2# Perl >= 5.10, in non-UTF mode. It should run clean for the 8-bit, 16-bit, and 3# 32-bit PCRE libraries, and also using the perltest.pl script. 4 5#forbid_utf 6#newline_default lf any anycrlf 7#perltest 8 9/the quick brown fox/ 10 the quick brown fox 11 0: the quick brown fox 12 What do you know about the quick brown fox? 13 0: the quick brown fox 14\= Expect no match 15 The quick brown FOX 16No match 17 What do you know about THE QUICK BROWN FOX? 18No match 19 20/The quick brown fox/i 21 the quick brown fox 22 0: the quick brown fox 23 The quick brown FOX 24 0: The quick brown FOX 25 What do you know about the quick brown fox? 26 0: the quick brown fox 27 What do you know about THE QUICK BROWN FOX? 28 0: THE QUICK BROWN FOX 29 30/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/ 31 abcd\t\n\r\f\a\e9;\$\\?caxyz 32 0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz 33 34/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/ 35 abxyzpqrrrabbxyyyypqAzz 36 0: abxyzpqrrrabbxyyyypqAzz 37 abxyzpqrrrabbxyyyypqAzz 38 0: abxyzpqrrrabbxyyyypqAzz 39 aabxyzpqrrrabbxyyyypqAzz 40 0: aabxyzpqrrrabbxyyyypqAzz 41 aaabxyzpqrrrabbxyyyypqAzz 42 0: aaabxyzpqrrrabbxyyyypqAzz 43 aaaabxyzpqrrrabbxyyyypqAzz 44 0: aaaabxyzpqrrrabbxyyyypqAzz 45 abcxyzpqrrrabbxyyyypqAzz 46 0: abcxyzpqrrrabbxyyyypqAzz 47 aabcxyzpqrrrabbxyyyypqAzz 48 0: aabcxyzpqrrrabbxyyyypqAzz 49 aaabcxyzpqrrrabbxyyyypAzz 50 0: aaabcxyzpqrrrabbxyyyypAzz 51 aaabcxyzpqrrrabbxyyyypqAzz 52 0: aaabcxyzpqrrrabbxyyyypqAzz 53 aaabcxyzpqrrrabbxyyyypqqAzz 54 0: aaabcxyzpqrrrabbxyyyypqqAzz 55 aaabcxyzpqrrrabbxyyyypqqqAzz 56 0: aaabcxyzpqrrrabbxyyyypqqqAzz 57 aaabcxyzpqrrrabbxyyyypqqqqAzz 58 0: aaabcxyzpqrrrabbxyyyypqqqqAzz 59 aaabcxyzpqrrrabbxyyyypqqqqqAzz 60 0: aaabcxyzpqrrrabbxyyyypqqqqqAzz 61 aaabcxyzpqrrrabbxyyyypqqqqqqAzz 62 0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz 63 aaaabcxyzpqrrrabbxyyyypqAzz 64 0: aaaabcxyzpqrrrabbxyyyypqAzz 65 abxyzzpqrrrabbxyyyypqAzz 66 0: abxyzzpqrrrabbxyyyypqAzz 67 aabxyzzzpqrrrabbxyyyypqAzz 68 0: aabxyzzzpqrrrabbxyyyypqAzz 69 aaabxyzzzzpqrrrabbxyyyypqAzz 70 0: aaabxyzzzzpqrrrabbxyyyypqAzz 71 aaaabxyzzzzpqrrrabbxyyyypqAzz 72 0: aaaabxyzzzzpqrrrabbxyyyypqAzz 73 abcxyzzpqrrrabbxyyyypqAzz 74 0: abcxyzzpqrrrabbxyyyypqAzz 75 aabcxyzzzpqrrrabbxyyyypqAzz 76 0: aabcxyzzzpqrrrabbxyyyypqAzz 77 aaabcxyzzzzpqrrrabbxyyyypqAzz 78 0: aaabcxyzzzzpqrrrabbxyyyypqAzz 79 aaaabcxyzzzzpqrrrabbxyyyypqAzz 80 0: aaaabcxyzzzzpqrrrabbxyyyypqAzz 81 aaaabcxyzzzzpqrrrabbbxyyyypqAzz 82 0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz 83 aaaabcxyzzzzpqrrrabbbxyyyyypqAzz 84 0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz 85 aaabcxyzpqrrrabbxyyyypABzz 86 0: aaabcxyzpqrrrabbxyyyypABzz 87 aaabcxyzpqrrrabbxyyyypABBzz 88 0: aaabcxyzpqrrrabbxyyyypABBzz 89 >>>aaabxyzpqrrrabbxyyyypqAzz 90 0: aaabxyzpqrrrabbxyyyypqAzz 91 >aaaabxyzpqrrrabbxyyyypqAzz 92 0: aaaabxyzpqrrrabbxyyyypqAzz 93 >>>>abcxyzpqrrrabbxyyyypqAzz 94 0: abcxyzpqrrrabbxyyyypqAzz 95\= Expect no match 96 abxyzpqrrabbxyyyypqAzz 97No match 98 abxyzpqrrrrabbxyyyypqAzz 99No match 100 abxyzpqrrrabxyyyypqAzz 101No match 102 aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz 103No match 104 aaaabcxyzzzzpqrrrabbbxyyypqAzz 105No match 106 aaabcxyzpqrrrabbxyyyypqqqqqqqAzz 107No match 108 109/^(abc){1,2}zz/ 110 abczz 111 0: abczz 112 1: abc 113 abcabczz 114 0: abcabczz 115 1: abc 116\= Expect no match 117 zz 118No match 119 abcabcabczz 120No match 121 >>abczz 122No match 123 124/^(b+?|a){1,2}?c/ 125 bc 126 0: bc 127 1: b 128 bbc 129 0: bbc 130 1: b 131 bbbc 132 0: bbbc 133 1: bb 134 bac 135 0: bac 136 1: a 137 bbac 138 0: bbac 139 1: a 140 aac 141 0: aac 142 1: a 143 abbbbbbbbbbbc 144 0: abbbbbbbbbbbc 145 1: bbbbbbbbbbb 146 bbbbbbbbbbbac 147 0: bbbbbbbbbbbac 148 1: a 149\= Expect no match 150 aaac 151No match 152 abbbbbbbbbbbac 153No match 154 155/^(b+|a){1,2}c/ 156 bc 157 0: bc 158 1: b 159 bbc 160 0: bbc 161 1: bb 162 bbbc 163 0: bbbc 164 1: bbb 165 bac 166 0: bac 167 1: a 168 bbac 169 0: bbac 170 1: a 171 aac 172 0: aac 173 1: a 174 abbbbbbbbbbbc 175 0: abbbbbbbbbbbc 176 1: bbbbbbbbbbb 177 bbbbbbbbbbbac 178 0: bbbbbbbbbbbac 179 1: a 180\= Expect no match 181 aaac 182No match 183 abbbbbbbbbbbac 184No match 185 186/^(ba|b*){1,2}?bc/ 187 babc 188 0: babc 189 1: ba 190 bbabc 191 0: bbabc 192 1: ba 193 bababc 194 0: bababc 195 1: ba 196\= Expect no match 197 bababbc 198No match 199 babababc 200No match 201 202/^\ca\cA\c[;\c:/ 203 \x01\x01\e;z 204 0: \x01\x01\x1b;z 205 206/^[ab\]cde]/ 207 athing 208 0: a 209 bthing 210 0: b 211 ]thing 212 0: ] 213 cthing 214 0: c 215 dthing 216 0: d 217 ething 218 0: e 219\= Expect no match 220 fthing 221No match 222 [thing 223No match 224 \\thing 225No match 226 227/^[]cde]/ 228 ]thing 229 0: ] 230 cthing 231 0: c 232 dthing 233 0: d 234 ething 235 0: e 236\= Expect no match 237 athing 238No match 239 fthing 240No match 241 242/^[^ab\]cde]/ 243 fthing 244 0: f 245 [thing 246 0: [ 247 \\thing 248 0: \ 249\= Expect no match 250 athing 251No match 252 bthing 253No match 254 ]thing 255No match 256 cthing 257No match 258 dthing 259No match 260 ething 261No match 262 263/^[^]cde]/ 264 athing 265 0: a 266 fthing 267 0: f 268\= Expect no match 269 ]thing 270No match 271 cthing 272No match 273 dthing 274No match 275 ething 276No match 277 278/^\�/ 279 � 280 0: \x81 281 282/^�/ 283 � 284 0: \xff 285 286/^[0-9]+$/ 287 0 288 0: 0 289 1 290 0: 1 291 2 292 0: 2 293 3 294 0: 3 295 4 296 0: 4 297 5 298 0: 5 299 6 300 0: 6 301 7 302 0: 7 303 8 304 0: 8 305 9 306 0: 9 307 10 308 0: 10 309 100 310 0: 100 311\= Expect no match 312 abc 313No match 314 315/^.*nter/ 316 enter 317 0: enter 318 inter 319 0: inter 320 uponter 321 0: uponter 322 323/^xxx[0-9]+$/ 324 xxx0 325 0: xxx0 326 xxx1234 327 0: xxx1234 328\= Expect no match 329 xxx 330No match 331 332/^.+[0-9][0-9][0-9]$/ 333 x123 334 0: x123 335 x1234 336 0: x1234 337 xx123 338 0: xx123 339 123456 340 0: 123456 341\= Expect no match 342 123 343No match 344 345/^.+?[0-9][0-9][0-9]$/ 346 x123 347 0: x123 348 x1234 349 0: x1234 350 xx123 351 0: xx123 352 123456 353 0: 123456 354\= Expect no match 355 123 356No match 357 358/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/ 359 abc!pqr=apquxz.ixr.zzz.ac.uk 360 0: abc!pqr=apquxz.ixr.zzz.ac.uk 361 1: abc 362 2: pqr 363\= Expect no match 364 !pqr=apquxz.ixr.zzz.ac.uk 365No match 366 abc!=apquxz.ixr.zzz.ac.uk 367No match 368 abc!pqr=apquxz:ixr.zzz.ac.uk 369No match 370 abc!pqr=apquxz.ixr.zzz.ac.ukk 371No match 372 373/:/ 374 Well, we need a colon: somewhere 375 0: : 376\= Expect no match 377 Fail without a colon 378No match 379 380/([\da-f:]+)$/i 381 0abc 382 0: 0abc 383 1: 0abc 384 abc 385 0: abc 386 1: abc 387 fed 388 0: fed 389 1: fed 390 E 391 0: E 392 1: E 393 :: 394 0: :: 395 1: :: 396 5f03:12C0::932e 397 0: 5f03:12C0::932e 398 1: 5f03:12C0::932e 399 fed def 400 0: def 401 1: def 402 Any old stuff 403 0: ff 404 1: ff 405\= Expect no match 406 0zzz 407No match 408 gzzz 409No match 410 fed\x20 411No match 412 Any old rubbish 413No match 414 415/^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ 416 .1.2.3 417 0: .1.2.3 418 1: 1 419 2: 2 420 3: 3 421 A.12.123.0 422 0: A.12.123.0 423 1: 12 424 2: 123 425 3: 0 426\= Expect no match 427 .1.2.3333 428No match 429 1.2.3 430No match 431 1234.2.3 432No match 433 434/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/ 435 1 IN SOA non-sp1 non-sp2( 436 0: 1 IN SOA non-sp1 non-sp2( 437 1: 1 438 2: non-sp1 439 3: non-sp2 440 1 IN SOA non-sp1 non-sp2 ( 441 0: 1 IN SOA non-sp1 non-sp2 ( 442 1: 1 443 2: non-sp1 444 3: non-sp2 445\= Expect no match 446 1IN SOA non-sp1 non-sp2( 447No match 448 449/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/ 450 a. 451 0: a. 452 Z. 453 0: Z. 454 2. 455 0: 2. 456 ab-c.pq-r. 457 0: ab-c.pq-r. 458 1: .pq-r 459 sxk.zzz.ac.uk. 460 0: sxk.zzz.ac.uk. 461 1: .uk 462 x-.y-. 463 0: x-.y-. 464 1: .y- 465\= Expect no match 466 -abc.peq. 467No match 468 469/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/ 470 *.a 471 0: *.a 472 *.b0-a 473 0: *.b0-a 474 1: 0-a 475 *.c3-b.c 476 0: *.c3-b.c 477 1: 3-b 478 2: .c 479 *.c-a.b-c 480 0: *.c-a.b-c 481 1: -a 482 2: .b-c 483 3: -c 484\= Expect no match 485 *.0 486No match 487 *.a- 488No match 489 *.a-b.c- 490No match 491 *.c-a.0-c 492No match 493 494/^(?=ab(de))(abd)(e)/ 495 abde 496 0: abde 497 1: de 498 2: abd 499 3: e 500 501/^(?!(ab)de|x)(abd)(f)/ 502 abdf 503 0: abdf 504 1: <unset> 505 2: abd 506 3: f 507 508/^(?=(ab(cd)))(ab)/ 509 abcd 510 0: ab 511 1: abcd 512 2: cd 513 3: ab 514 515/^[\da-f](\.[\da-f])*$/i 516 a.b.c.d 517 0: a.b.c.d 518 1: .d 519 A.B.C.D 520 0: A.B.C.D 521 1: .D 522 a.b.c.1.2.3.C 523 0: a.b.c.1.2.3.C 524 1: .C 525 526/^\".*\"\s*(;.*)?$/ 527 \"1234\" 528 0: "1234" 529 \"abcd\" ; 530 0: "abcd" ; 531 1: ; 532 \"\" ; rhubarb 533 0: "" ; rhubarb 534 1: ; rhubarb 535\= Expect no match 536 \"1234\" : things 537No match 538 539/^$/ 540 \ 541 0: 542\= Expect no match 543 A non-empty line 544No match 545 546/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x 547 ab c 548 0: ab c 549\= Expect no match 550 abc 551No match 552 ab cde 553No match 554 555/(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/ 556 ab c 557 0: ab c 558\= Expect no match 559 abc 560No match 561 ab cde 562No match 563 564/^ a\ b[c ]d $/x 565 a bcd 566 0: a bcd 567 a b d 568 0: a b d 569\= Expect no match 570 abcd 571No match 572 ab d 573No match 574 575/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/ 576 abcdefhijklm 577 0: abcdefhijklm 578 1: abc 579 2: bc 580 3: c 581 4: def 582 5: ef 583 6: f 584 7: hij 585 8: ij 586 9: j 58710: klm 58811: lm 58912: m 590 591/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/ 592 abcdefhijklm 593 0: abcdefhijklm 594 1: bc 595 2: c 596 3: ef 597 4: f 598 5: ij 599 6: j 600 7: lm 601 8: m 602 603/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/ 604 a+ Z0+\x08\n\x1d\x12 605 0: a+ Z0+\x08\x0a\x1d\x12 606 607/^[.^$|()*+?{,}]+/ 608 .^\$(*+)|{?,?} 609 0: .^$(*+)|{?,?} 610 611/^a*\w/ 612 z 613 0: z 614 az 615 0: az 616 aaaz 617 0: aaaz 618 a 619 0: a 620 aa 621 0: aa 622 aaaa 623 0: aaaa 624 a+ 625 0: a 626 aa+ 627 0: aa 628 629/^a*?\w/ 630 z 631 0: z 632 az 633 0: a 634 aaaz 635 0: a 636 a 637 0: a 638 aa 639 0: a 640 aaaa 641 0: a 642 a+ 643 0: a 644 aa+ 645 0: a 646 647/^a+\w/ 648 az 649 0: az 650 aaaz 651 0: aaaz 652 aa 653 0: aa 654 aaaa 655 0: aaaa 656 aa+ 657 0: aa 658 659/^a+?\w/ 660 az 661 0: az 662 aaaz 663 0: aa 664 aa 665 0: aa 666 aaaa 667 0: aa 668 aa+ 669 0: aa 670 671/^\d{8}\w{2,}/ 672 1234567890 673 0: 1234567890 674 12345678ab 675 0: 12345678ab 676 12345678__ 677 0: 12345678__ 678\= Expect no match 679 1234567 680No match 681 682/^[aeiou\d]{4,5}$/ 683 uoie 684 0: uoie 685 1234 686 0: 1234 687 12345 688 0: 12345 689 aaaaa 690 0: aaaaa 691\= Expect no match 692 123456 693No match 694 695/^[aeiou\d]{4,5}?/ 696 uoie 697 0: uoie 698 1234 699 0: 1234 700 12345 701 0: 1234 702 aaaaa 703 0: aaaa 704 123456 705 0: 1234 706 707/\A(abc|def)=(\1){2,3}\Z/ 708 abc=abcabc 709 0: abc=abcabc 710 1: abc 711 2: abc 712 def=defdefdef 713 0: def=defdefdef 714 1: def 715 2: def 716\= Expect no match 717 abc=defdef 718No match 719 720/^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ 721 abcdefghijkcda2 722 0: abcdefghijkcda2 723 1: a 724 2: b 725 3: c 726 4: d 727 5: e 728 6: f 729 7: g 730 8: h 731 9: i 73210: j 73311: k 73412: cd 735 abcdefghijkkkkcda2 736 0: abcdefghijkkkkcda2 737 1: a 738 2: b 739 3: c 740 4: d 741 5: e 742 6: f 743 7: g 744 8: h 745 9: i 74610: j 74711: k 74812: cd 749 750/(cat(a(ract|tonic)|erpillar)) \1()2(3)/ 751 cataract cataract23 752 0: cataract cataract23 753 1: cataract 754 2: aract 755 3: ract 756 4: 757 5: 3 758 catatonic catatonic23 759 0: catatonic catatonic23 760 1: catatonic 761 2: atonic 762 3: tonic 763 4: 764 5: 3 765 caterpillar caterpillar23 766 0: caterpillar caterpillar23 767 1: caterpillar 768 2: erpillar 769 3: <unset> 770 4: 771 5: 3 772 773 774/^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ 775 From abcd Mon Sep 01 12:33:02 1997 776 0: From abcd Mon Sep 01 12:33 777 1: abcd 778 779/^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ 780 From abcd Mon Sep 01 12:33:02 1997 781 0: From abcd Mon Sep 01 12:33 782 1: Sep 783 From abcd Mon Sep 1 12:33:02 1997 784 0: From abcd Mon Sep 1 12:33 785 1: Sep 786\= Expect no match 787 From abcd Sep 01 12:33:02 1997 788No match 789 790/^12.34/s 791 12\n34 792 0: 12\x0a34 793 12\r34 794 0: 12\x0d34 795 796/\w+(?=\t)/ 797 the quick brown\t fox 798 0: brown 799 800/foo(?!bar)(.*)/ 801 foobar is foolish see? 802 0: foolish see? 803 1: lish see? 804 805/(?:(?!foo)...|^.{0,2})bar(.*)/ 806 foobar crowbar etc 807 0: rowbar etc 808 1: etc 809 barrel 810 0: barrel 811 1: rel 812 2barrel 813 0: 2barrel 814 1: rel 815 A barrel 816 0: A barrel 817 1: rel 818 819/^(\D*)(?=\d)(?!123)/ 820 abc456 821 0: abc 822 1: abc 823\= Expect no match 824 abc123 825No match 826 827/^1234(?# test newlines 828 inside)/ 829 1234 830 0: 1234 831 832/^1234 #comment in extended re 833 /x 834 1234 835 0: 1234 836 837/#rhubarb 838 abcd/x 839 abcd 840 0: abcd 841 842/^abcd#rhubarb/x 843 abcd 844 0: abcd 845 846/^(a)\1{2,3}(.)/ 847 aaab 848 0: aaab 849 1: a 850 2: b 851 aaaab 852 0: aaaab 853 1: a 854 2: b 855 aaaaab 856 0: aaaaa 857 1: a 858 2: a 859 aaaaaab 860 0: aaaaa 861 1: a 862 2: a 863 864/(?!^)abc/ 865 the abc 866 0: abc 867\= Expect no match 868 abc 869No match 870 871/(?=^)abc/ 872 abc 873 0: abc 874\= Expect no match 875 the abc 876No match 877 878/^[ab]{1,3}(ab*|b)/ 879 aabbbbb 880 0: aabb 881 1: b 882 883/^[ab]{1,3}?(ab*|b)/ 884 aabbbbb 885 0: aabbbbb 886 1: abbbbb 887 888/^[ab]{1,3}?(ab*?|b)/ 889 aabbbbb 890 0: aa 891 1: a 892 893/^[ab]{1,3}(ab*?|b)/ 894 aabbbbb 895 0: aabb 896 1: b 897 898/ (?: [\040\t] | \( 899(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 900\) )* # optional leading comment 901(?: (?: 902[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 903(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 904| 905" (?: # opening quote... 906[^\\\x80-\xff\n\015"] # Anything except backslash and quote 907| # or 908\\ [^\x80-\xff] # Escaped something (something != CR) 909)* " # closing quote 910) # initial word 911(?: (?: [\040\t] | \( 912(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 913\) )* \. (?: [\040\t] | \( 914(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 915\) )* (?: 916[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 917(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 918| 919" (?: # opening quote... 920[^\\\x80-\xff\n\015"] # Anything except backslash and quote 921| # or 922\\ [^\x80-\xff] # Escaped something (something != CR) 923)* " # closing quote 924) )* # further okay, if led by a period 925(?: [\040\t] | \( 926(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 927\) )* @ (?: [\040\t] | \( 928(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 929\) )* (?: 930[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 931(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 932| \[ # [ 933(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 934\] # ] 935) # initial subdomain 936(?: # 937(?: [\040\t] | \( 938(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 939\) )* \. # if led by a period... 940(?: [\040\t] | \( 941(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 942\) )* (?: 943[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 944(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 945| \[ # [ 946(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 947\] # ] 948) # ...further okay 949)* 950# address 951| # or 952(?: 953[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 954(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 955| 956" (?: # opening quote... 957[^\\\x80-\xff\n\015"] # Anything except backslash and quote 958| # or 959\\ [^\x80-\xff] # Escaped something (something != CR) 960)* " # closing quote 961) # one word, optionally followed by.... 962(?: 963[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] | # atom and space parts, or... 964\( 965(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 966\) | # comments, or... 967 968" (?: # opening quote... 969[^\\\x80-\xff\n\015"] # Anything except backslash and quote 970| # or 971\\ [^\x80-\xff] # Escaped something (something != CR) 972)* " # closing quote 973# quoted strings 974)* 975< (?: [\040\t] | \( 976(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 977\) )* # leading < 978(?: @ (?: [\040\t] | \( 979(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 980\) )* (?: 981[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 982(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 983| \[ # [ 984(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 985\] # ] 986) # initial subdomain 987(?: # 988(?: [\040\t] | \( 989(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 990\) )* \. # if led by a period... 991(?: [\040\t] | \( 992(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 993\) )* (?: 994[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 995(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 996| \[ # [ 997(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 998\] # ] 999) # ...further okay 1000)* 1001 1002(?: (?: [\040\t] | \( 1003(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1004\) )* , (?: [\040\t] | \( 1005(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1006\) )* @ (?: [\040\t] | \( 1007(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1008\) )* (?: 1009[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1010(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1011| \[ # [ 1012(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1013\] # ] 1014) # initial subdomain 1015(?: # 1016(?: [\040\t] | \( 1017(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1018\) )* \. # if led by a period... 1019(?: [\040\t] | \( 1020(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1021\) )* (?: 1022[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1023(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1024| \[ # [ 1025(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1026\] # ] 1027) # ...further okay 1028)* 1029)* # further okay, if led by comma 1030: # closing colon 1031(?: [\040\t] | \( 1032(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1033\) )* )? # optional route 1034(?: 1035[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1036(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1037| 1038" (?: # opening quote... 1039[^\\\x80-\xff\n\015"] # Anything except backslash and quote 1040| # or 1041\\ [^\x80-\xff] # Escaped something (something != CR) 1042)* " # closing quote 1043) # initial word 1044(?: (?: [\040\t] | \( 1045(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1046\) )* \. (?: [\040\t] | \( 1047(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1048\) )* (?: 1049[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1050(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1051| 1052" (?: # opening quote... 1053[^\\\x80-\xff\n\015"] # Anything except backslash and quote 1054| # or 1055\\ [^\x80-\xff] # Escaped something (something != CR) 1056)* " # closing quote 1057) )* # further okay, if led by a period 1058(?: [\040\t] | \( 1059(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1060\) )* @ (?: [\040\t] | \( 1061(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1062\) )* (?: 1063[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1064(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1065| \[ # [ 1066(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1067\] # ] 1068) # initial subdomain 1069(?: # 1070(?: [\040\t] | \( 1071(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1072\) )* \. # if led by a period... 1073(?: [\040\t] | \( 1074(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1075\) )* (?: 1076[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1077(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1078| \[ # [ 1079(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1080\] # ] 1081) # ...further okay 1082)* 1083# address spec 1084(?: [\040\t] | \( 1085(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1086\) )* > # trailing > 1087# name and address 1088) (?: [\040\t] | \( 1089(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* 1090\) )* # optional trailing comment 1091/x 1092 Alan Other <user\@dom.ain> 1093 0: Alan Other <user@dom.ain> 1094 <user\@dom.ain> 1095 0: user@dom.ain 1096 user\@dom.ain 1097 0: user@dom.ain 1098 \"A. Other\" <user.1234\@dom.ain> (a comment) 1099 0: "A. Other" <user.1234@dom.ain> (a comment) 1100 A. Other <user.1234\@dom.ain> (a comment) 1101 0: Other <user.1234@dom.ain> (a comment) 1102 \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay 1103 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay 1104 A missing angle <user\@some.where 1105 0: user@some.where 1106\= Expect no match 1107 The quick brown fox 1108No match 1109 1110/[\040\t]* # Nab whitespace. 1111(?: 1112\( # ( 1113[^\\\x80-\xff\n\015()] * # normal* 1114(?: # ( 1115(?: \\ [^\x80-\xff] | 1116\( # ( 1117[^\\\x80-\xff\n\015()] * # normal* 1118(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1119\) # ) 1120) # special 1121[^\\\x80-\xff\n\015()] * # normal* 1122)* # )* 1123\) # ) 1124[\040\t]* )* # If comment found, allow more spaces. 1125# optional leading comment 1126(?: 1127(?: 1128[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1129(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1130# Atom 1131| # or 1132" # " 1133[^\\\x80-\xff\n\015"] * # normal 1134(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1135" # " 1136# Quoted string 1137) 1138[\040\t]* # Nab whitespace. 1139(?: 1140\( # ( 1141[^\\\x80-\xff\n\015()] * # normal* 1142(?: # ( 1143(?: \\ [^\x80-\xff] | 1144\( # ( 1145[^\\\x80-\xff\n\015()] * # normal* 1146(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1147\) # ) 1148) # special 1149[^\\\x80-\xff\n\015()] * # normal* 1150)* # )* 1151\) # ) 1152[\040\t]* )* # If comment found, allow more spaces. 1153(?: 1154\. 1155[\040\t]* # Nab whitespace. 1156(?: 1157\( # ( 1158[^\\\x80-\xff\n\015()] * # normal* 1159(?: # ( 1160(?: \\ [^\x80-\xff] | 1161\( # ( 1162[^\\\x80-\xff\n\015()] * # normal* 1163(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1164\) # ) 1165) # special 1166[^\\\x80-\xff\n\015()] * # normal* 1167)* # )* 1168\) # ) 1169[\040\t]* )* # If comment found, allow more spaces. 1170(?: 1171[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1172(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1173# Atom 1174| # or 1175" # " 1176[^\\\x80-\xff\n\015"] * # normal 1177(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1178" # " 1179# Quoted string 1180) 1181[\040\t]* # Nab whitespace. 1182(?: 1183\( # ( 1184[^\\\x80-\xff\n\015()] * # normal* 1185(?: # ( 1186(?: \\ [^\x80-\xff] | 1187\( # ( 1188[^\\\x80-\xff\n\015()] * # normal* 1189(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1190\) # ) 1191) # special 1192[^\\\x80-\xff\n\015()] * # normal* 1193)* # )* 1194\) # ) 1195[\040\t]* )* # If comment found, allow more spaces. 1196# additional words 1197)* 1198@ 1199[\040\t]* # Nab whitespace. 1200(?: 1201\( # ( 1202[^\\\x80-\xff\n\015()] * # normal* 1203(?: # ( 1204(?: \\ [^\x80-\xff] | 1205\( # ( 1206[^\\\x80-\xff\n\015()] * # normal* 1207(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1208\) # ) 1209) # special 1210[^\\\x80-\xff\n\015()] * # normal* 1211)* # )* 1212\) # ) 1213[\040\t]* )* # If comment found, allow more spaces. 1214(?: 1215[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1216(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1217| 1218\[ # [ 1219(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1220\] # ] 1221) 1222[\040\t]* # Nab whitespace. 1223(?: 1224\( # ( 1225[^\\\x80-\xff\n\015()] * # normal* 1226(?: # ( 1227(?: \\ [^\x80-\xff] | 1228\( # ( 1229[^\\\x80-\xff\n\015()] * # normal* 1230(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1231\) # ) 1232) # special 1233[^\\\x80-\xff\n\015()] * # normal* 1234)* # )* 1235\) # ) 1236[\040\t]* )* # If comment found, allow more spaces. 1237# optional trailing comments 1238(?: 1239\. 1240[\040\t]* # Nab whitespace. 1241(?: 1242\( # ( 1243[^\\\x80-\xff\n\015()] * # normal* 1244(?: # ( 1245(?: \\ [^\x80-\xff] | 1246\( # ( 1247[^\\\x80-\xff\n\015()] * # normal* 1248(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1249\) # ) 1250) # special 1251[^\\\x80-\xff\n\015()] * # normal* 1252)* # )* 1253\) # ) 1254[\040\t]* )* # If comment found, allow more spaces. 1255(?: 1256[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1257(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1258| 1259\[ # [ 1260(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1261\] # ] 1262) 1263[\040\t]* # Nab whitespace. 1264(?: 1265\( # ( 1266[^\\\x80-\xff\n\015()] * # normal* 1267(?: # ( 1268(?: \\ [^\x80-\xff] | 1269\( # ( 1270[^\\\x80-\xff\n\015()] * # normal* 1271(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1272\) # ) 1273) # special 1274[^\\\x80-\xff\n\015()] * # normal* 1275)* # )* 1276\) # ) 1277[\040\t]* )* # If comment found, allow more spaces. 1278# optional trailing comments 1279)* 1280# address 1281| # or 1282(?: 1283[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1284(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1285# Atom 1286| # or 1287" # " 1288[^\\\x80-\xff\n\015"] * # normal 1289(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1290" # " 1291# Quoted string 1292) 1293# leading word 1294[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # "normal" atoms and or spaces 1295(?: 1296(?: 1297\( # ( 1298[^\\\x80-\xff\n\015()] * # normal* 1299(?: # ( 1300(?: \\ [^\x80-\xff] | 1301\( # ( 1302[^\\\x80-\xff\n\015()] * # normal* 1303(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1304\) # ) 1305) # special 1306[^\\\x80-\xff\n\015()] * # normal* 1307)* # )* 1308\) # ) 1309| 1310" # " 1311[^\\\x80-\xff\n\015"] * # normal 1312(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1313" # " 1314) # "special" comment or quoted string 1315[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # more "normal" 1316)* 1317< 1318[\040\t]* # Nab whitespace. 1319(?: 1320\( # ( 1321[^\\\x80-\xff\n\015()] * # normal* 1322(?: # ( 1323(?: \\ [^\x80-\xff] | 1324\( # ( 1325[^\\\x80-\xff\n\015()] * # normal* 1326(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1327\) # ) 1328) # special 1329[^\\\x80-\xff\n\015()] * # normal* 1330)* # )* 1331\) # ) 1332[\040\t]* )* # If comment found, allow more spaces. 1333# < 1334(?: 1335@ 1336[\040\t]* # Nab whitespace. 1337(?: 1338\( # ( 1339[^\\\x80-\xff\n\015()] * # normal* 1340(?: # ( 1341(?: \\ [^\x80-\xff] | 1342\( # ( 1343[^\\\x80-\xff\n\015()] * # normal* 1344(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1345\) # ) 1346) # special 1347[^\\\x80-\xff\n\015()] * # normal* 1348)* # )* 1349\) # ) 1350[\040\t]* )* # If comment found, allow more spaces. 1351(?: 1352[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1353(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1354| 1355\[ # [ 1356(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1357\] # ] 1358) 1359[\040\t]* # Nab whitespace. 1360(?: 1361\( # ( 1362[^\\\x80-\xff\n\015()] * # normal* 1363(?: # ( 1364(?: \\ [^\x80-\xff] | 1365\( # ( 1366[^\\\x80-\xff\n\015()] * # normal* 1367(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1368\) # ) 1369) # special 1370[^\\\x80-\xff\n\015()] * # normal* 1371)* # )* 1372\) # ) 1373[\040\t]* )* # If comment found, allow more spaces. 1374# optional trailing comments 1375(?: 1376\. 1377[\040\t]* # Nab whitespace. 1378(?: 1379\( # ( 1380[^\\\x80-\xff\n\015()] * # normal* 1381(?: # ( 1382(?: \\ [^\x80-\xff] | 1383\( # ( 1384[^\\\x80-\xff\n\015()] * # normal* 1385(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1386\) # ) 1387) # special 1388[^\\\x80-\xff\n\015()] * # normal* 1389)* # )* 1390\) # ) 1391[\040\t]* )* # If comment found, allow more spaces. 1392(?: 1393[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1394(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1395| 1396\[ # [ 1397(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1398\] # ] 1399) 1400[\040\t]* # Nab whitespace. 1401(?: 1402\( # ( 1403[^\\\x80-\xff\n\015()] * # normal* 1404(?: # ( 1405(?: \\ [^\x80-\xff] | 1406\( # ( 1407[^\\\x80-\xff\n\015()] * # normal* 1408(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1409\) # ) 1410) # special 1411[^\\\x80-\xff\n\015()] * # normal* 1412)* # )* 1413\) # ) 1414[\040\t]* )* # If comment found, allow more spaces. 1415# optional trailing comments 1416)* 1417(?: , 1418[\040\t]* # Nab whitespace. 1419(?: 1420\( # ( 1421[^\\\x80-\xff\n\015()] * # normal* 1422(?: # ( 1423(?: \\ [^\x80-\xff] | 1424\( # ( 1425[^\\\x80-\xff\n\015()] * # normal* 1426(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1427\) # ) 1428) # special 1429[^\\\x80-\xff\n\015()] * # normal* 1430)* # )* 1431\) # ) 1432[\040\t]* )* # If comment found, allow more spaces. 1433@ 1434[\040\t]* # Nab whitespace. 1435(?: 1436\( # ( 1437[^\\\x80-\xff\n\015()] * # normal* 1438(?: # ( 1439(?: \\ [^\x80-\xff] | 1440\( # ( 1441[^\\\x80-\xff\n\015()] * # normal* 1442(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1443\) # ) 1444) # special 1445[^\\\x80-\xff\n\015()] * # normal* 1446)* # )* 1447\) # ) 1448[\040\t]* )* # If comment found, allow more spaces. 1449(?: 1450[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1451(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1452| 1453\[ # [ 1454(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1455\] # ] 1456) 1457[\040\t]* # Nab whitespace. 1458(?: 1459\( # ( 1460[^\\\x80-\xff\n\015()] * # normal* 1461(?: # ( 1462(?: \\ [^\x80-\xff] | 1463\( # ( 1464[^\\\x80-\xff\n\015()] * # normal* 1465(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1466\) # ) 1467) # special 1468[^\\\x80-\xff\n\015()] * # normal* 1469)* # )* 1470\) # ) 1471[\040\t]* )* # If comment found, allow more spaces. 1472# optional trailing comments 1473(?: 1474\. 1475[\040\t]* # Nab whitespace. 1476(?: 1477\( # ( 1478[^\\\x80-\xff\n\015()] * # normal* 1479(?: # ( 1480(?: \\ [^\x80-\xff] | 1481\( # ( 1482[^\\\x80-\xff\n\015()] * # normal* 1483(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1484\) # ) 1485) # special 1486[^\\\x80-\xff\n\015()] * # normal* 1487)* # )* 1488\) # ) 1489[\040\t]* )* # If comment found, allow more spaces. 1490(?: 1491[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1492(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1493| 1494\[ # [ 1495(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1496\] # ] 1497) 1498[\040\t]* # Nab whitespace. 1499(?: 1500\( # ( 1501[^\\\x80-\xff\n\015()] * # normal* 1502(?: # ( 1503(?: \\ [^\x80-\xff] | 1504\( # ( 1505[^\\\x80-\xff\n\015()] * # normal* 1506(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1507\) # ) 1508) # special 1509[^\\\x80-\xff\n\015()] * # normal* 1510)* # )* 1511\) # ) 1512[\040\t]* )* # If comment found, allow more spaces. 1513# optional trailing comments 1514)* 1515)* # additional domains 1516: 1517[\040\t]* # Nab whitespace. 1518(?: 1519\( # ( 1520[^\\\x80-\xff\n\015()] * # normal* 1521(?: # ( 1522(?: \\ [^\x80-\xff] | 1523\( # ( 1524[^\\\x80-\xff\n\015()] * # normal* 1525(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1526\) # ) 1527) # special 1528[^\\\x80-\xff\n\015()] * # normal* 1529)* # )* 1530\) # ) 1531[\040\t]* )* # If comment found, allow more spaces. 1532# optional trailing comments 1533)? # optional route 1534(?: 1535[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1536(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1537# Atom 1538| # or 1539" # " 1540[^\\\x80-\xff\n\015"] * # normal 1541(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1542" # " 1543# Quoted string 1544) 1545[\040\t]* # Nab whitespace. 1546(?: 1547\( # ( 1548[^\\\x80-\xff\n\015()] * # normal* 1549(?: # ( 1550(?: \\ [^\x80-\xff] | 1551\( # ( 1552[^\\\x80-\xff\n\015()] * # normal* 1553(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1554\) # ) 1555) # special 1556[^\\\x80-\xff\n\015()] * # normal* 1557)* # )* 1558\) # ) 1559[\040\t]* )* # If comment found, allow more spaces. 1560(?: 1561\. 1562[\040\t]* # Nab whitespace. 1563(?: 1564\( # ( 1565[^\\\x80-\xff\n\015()] * # normal* 1566(?: # ( 1567(?: \\ [^\x80-\xff] | 1568\( # ( 1569[^\\\x80-\xff\n\015()] * # normal* 1570(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1571\) # ) 1572) # special 1573[^\\\x80-\xff\n\015()] * # normal* 1574)* # )* 1575\) # ) 1576[\040\t]* )* # If comment found, allow more spaces. 1577(?: 1578[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1579(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1580# Atom 1581| # or 1582" # " 1583[^\\\x80-\xff\n\015"] * # normal 1584(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* 1585" # " 1586# Quoted string 1587) 1588[\040\t]* # Nab whitespace. 1589(?: 1590\( # ( 1591[^\\\x80-\xff\n\015()] * # normal* 1592(?: # ( 1593(?: \\ [^\x80-\xff] | 1594\( # ( 1595[^\\\x80-\xff\n\015()] * # normal* 1596(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1597\) # ) 1598) # special 1599[^\\\x80-\xff\n\015()] * # normal* 1600)* # )* 1601\) # ) 1602[\040\t]* )* # If comment found, allow more spaces. 1603# additional words 1604)* 1605@ 1606[\040\t]* # Nab whitespace. 1607(?: 1608\( # ( 1609[^\\\x80-\xff\n\015()] * # normal* 1610(?: # ( 1611(?: \\ [^\x80-\xff] | 1612\( # ( 1613[^\\\x80-\xff\n\015()] * # normal* 1614(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1615\) # ) 1616) # special 1617[^\\\x80-\xff\n\015()] * # normal* 1618)* # )* 1619\) # ) 1620[\040\t]* )* # If comment found, allow more spaces. 1621(?: 1622[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1623(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1624| 1625\[ # [ 1626(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1627\] # ] 1628) 1629[\040\t]* # Nab whitespace. 1630(?: 1631\( # ( 1632[^\\\x80-\xff\n\015()] * # normal* 1633(?: # ( 1634(?: \\ [^\x80-\xff] | 1635\( # ( 1636[^\\\x80-\xff\n\015()] * # normal* 1637(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1638\) # ) 1639) # special 1640[^\\\x80-\xff\n\015()] * # normal* 1641)* # )* 1642\) # ) 1643[\040\t]* )* # If comment found, allow more spaces. 1644# optional trailing comments 1645(?: 1646\. 1647[\040\t]* # Nab whitespace. 1648(?: 1649\( # ( 1650[^\\\x80-\xff\n\015()] * # normal* 1651(?: # ( 1652(?: \\ [^\x80-\xff] | 1653\( # ( 1654[^\\\x80-\xff\n\015()] * # normal* 1655(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1656\) # ) 1657) # special 1658[^\\\x80-\xff\n\015()] * # normal* 1659)* # )* 1660\) # ) 1661[\040\t]* )* # If comment found, allow more spaces. 1662(?: 1663[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... 1664(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom 1665| 1666\[ # [ 1667(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff 1668\] # ] 1669) 1670[\040\t]* # Nab whitespace. 1671(?: 1672\( # ( 1673[^\\\x80-\xff\n\015()] * # normal* 1674(?: # ( 1675(?: \\ [^\x80-\xff] | 1676\( # ( 1677[^\\\x80-\xff\n\015()] * # normal* 1678(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* 1679\) # ) 1680) # special 1681[^\\\x80-\xff\n\015()] * # normal* 1682)* # )* 1683\) # ) 1684[\040\t]* )* # If comment found, allow more spaces. 1685# optional trailing comments 1686)* 1687# address spec 1688> # > 1689# name and address 1690) 1691/x 1692 Alan Other <user\@dom.ain> 1693 0: Alan Other <user@dom.ain> 1694 <user\@dom.ain> 1695 0: user@dom.ain 1696 user\@dom.ain 1697 0: user@dom.ain 1698 \"A. Other\" <user.1234\@dom.ain> (a comment) 1699 0: "A. Other" <user.1234@dom.ain> 1700 A. Other <user.1234\@dom.ain> (a comment) 1701 0: Other <user.1234@dom.ain> 1702 \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay 1703 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay 1704 A missing angle <user\@some.where 1705 0: user@some.where 1706\= Expect no match 1707 The quick brown fox 1708No match 1709 1710/abc\0def\00pqr\000xyz\0000AB/ 1711 abc\0def\00pqr\000xyz\0000AB 1712 0: abc\x00def\x00pqr\x00xyz\x000AB 1713 abc456 abc\0def\00pqr\000xyz\0000ABCDE 1714 0: abc\x00def\x00pqr\x00xyz\x000AB 1715 1716/abc\x0def\x00pqr\x000xyz\x0000AB/ 1717 abc\x0def\x00pqr\x000xyz\x0000AB 1718 0: abc\x0def\x00pqr\x000xyz\x0000AB 1719 abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE 1720 0: abc\x0def\x00pqr\x000xyz\x0000AB 1721 1722/^[\000-\037]/ 1723 \0A 1724 0: \x00 1725 \01B 1726 0: \x01 1727 \037C 1728 0: \x1f 1729 1730/\0*/ 1731 \0\0\0\0 1732 0: \x00\x00\x00\x00 1733 1734/A\x0{2,3}Z/ 1735 The A\x0\x0Z 1736 0: A\x00\x00Z 1737 An A\0\x0\0Z 1738 0: A\x00\x00\x00Z 1739\= Expect no match 1740 A\0Z 1741No match 1742 A\0\x0\0\x0Z 1743No match 1744 1745/^(cow|)\1(bell)/ 1746 cowcowbell 1747 0: cowcowbell 1748 1: cow 1749 2: bell 1750 bell 1751 0: bell 1752 1: 1753 2: bell 1754\= Expect no match 1755 cowbell 1756No match 1757 1758/^\s/ 1759 \040abc 1760 0: 1761 \x0cabc 1762 0: \x0c 1763 \nabc 1764 0: \x0a 1765 \rabc 1766 0: \x0d 1767 \tabc 1768 0: \x09 1769\= Expect no match 1770 abc 1771No match 1772 1773/^a b 1774 c/x 1775 abc 1776 0: abc 1777 1778/^(a|)\1*b/ 1779 ab 1780 0: ab 1781 1: a 1782 aaaab 1783 0: aaaab 1784 1: a 1785 b 1786 0: b 1787 1: 1788\= Expect no match 1789 acb 1790No match 1791 1792/^(a|)\1+b/ 1793 aab 1794 0: aab 1795 1: a 1796 aaaab 1797 0: aaaab 1798 1: a 1799 b 1800 0: b 1801 1: 1802\= Expect no match 1803 ab 1804No match 1805 1806/^(a|)\1?b/ 1807 ab 1808 0: ab 1809 1: a 1810 aab 1811 0: aab 1812 1: a 1813 b 1814 0: b 1815 1: 1816\= Expect no match 1817 acb 1818No match 1819 1820/^(a|)\1{2}b/ 1821 aaab 1822 0: aaab 1823 1: a 1824 b 1825 0: b 1826 1: 1827\= Expect no match 1828 ab 1829No match 1830 aab 1831No match 1832 aaaab 1833No match 1834 1835/^(a|)\1{2,3}b/ 1836 aaab 1837 0: aaab 1838 1: a 1839 aaaab 1840 0: aaaab 1841 1: a 1842 b 1843 0: b 1844 1: 1845\= Expect no match 1846 ab 1847No match 1848 aab 1849No match 1850 aaaaab 1851No match 1852 1853/ab{1,3}bc/ 1854 abbbbc 1855 0: abbbbc 1856 abbbc 1857 0: abbbc 1858 abbc 1859 0: abbc 1860\= Expect no match 1861 abc 1862No match 1863 abbbbbc 1864No match 1865 1866/([^.]*)\.([^:]*):[T ]+(.*)/ 1867 track1.title:TBlah blah blah 1868 0: track1.title:TBlah blah blah 1869 1: track1 1870 2: title 1871 3: Blah blah blah 1872 1873/([^.]*)\.([^:]*):[T ]+(.*)/i 1874 track1.title:TBlah blah blah 1875 0: track1.title:TBlah blah blah 1876 1: track1 1877 2: title 1878 3: Blah blah blah 1879 1880/([^.]*)\.([^:]*):[t ]+(.*)/i 1881 track1.title:TBlah blah blah 1882 0: track1.title:TBlah blah blah 1883 1: track1 1884 2: title 1885 3: Blah blah blah 1886 1887/^[W-c]+$/ 1888 WXY_^abc 1889 0: WXY_^abc 1890\= Expect no match 1891 wxy 1892No match 1893 1894/^[W-c]+$/i 1895 WXY_^abc 1896 0: WXY_^abc 1897 wxy_^ABC 1898 0: wxy_^ABC 1899 1900/^[\x3f-\x5F]+$/i 1901 WXY_^abc 1902 0: WXY_^abc 1903 wxy_^ABC 1904 0: wxy_^ABC 1905 1906/^abc$/m 1907 abc 1908 0: abc 1909 qqq\nabc 1910 0: abc 1911 abc\nzzz 1912 0: abc 1913 qqq\nabc\nzzz 1914 0: abc 1915 1916/^abc$/ 1917 abc 1918 0: abc 1919\= Expect no match 1920 qqq\nabc 1921No match 1922 abc\nzzz 1923No match 1924 qqq\nabc\nzzz 1925No match 1926 1927/\Aabc\Z/m 1928 abc 1929 0: abc 1930 abc\n 1931 0: abc 1932\= Expect no match 1933 qqq\nabc 1934No match 1935 abc\nzzz 1936No match 1937 qqq\nabc\nzzz 1938No match 1939 1940/\A(.)*\Z/s 1941 abc\ndef 1942 0: abc\x0adef 1943 1: f 1944 1945/\A(.)*\Z/m 1946\= Expect no match 1947 abc\ndef 1948No match 1949 1950/(?:b)|(?::+)/ 1951 b::c 1952 0: b 1953 c::b 1954 0: :: 1955 1956/[-az]+/ 1957 az- 1958 0: az- 1959\= Expect no match 1960 b 1961No match 1962 1963/[az-]+/ 1964 za- 1965 0: za- 1966\= Expect no match 1967 b 1968No match 1969 1970/[a\-z]+/ 1971 a-z 1972 0: a-z 1973\= Expect no match 1974 b 1975No match 1976 1977/[a-z]+/ 1978 abcdxyz 1979 0: abcdxyz 1980 1981/[\d-]+/ 1982 12-34 1983 0: 12-34 1984\= Expect no match 1985 aaa 1986No match 1987 1988/\x5c/ 1989 \\ 1990 0: \ 1991 1992/\x20Z/ 1993 the Zoo 1994 0: Z 1995\= Expect no match 1996 Zulu 1997No match 1998 1999/(abc)\1/i 2000 abcabc 2001 0: abcabc 2002 1: abc 2003 ABCabc 2004 0: ABCabc 2005 1: ABC 2006 abcABC 2007 0: abcABC 2008 1: abc 2009 2010/abc$/ 2011 abc 2012 0: abc 2013 abc\n 2014 0: abc 2015\= Expect no match 2016 abc\ndef 2017No match 2018 2019/(abc)\123/ 2020 abc\x53 2021 0: abcS 2022 1: abc 2023 2024/(abc)\223/ 2025 abc\x93 2026 0: abc\x93 2027 1: abc 2028 2029/(abc)\323/ 2030 abc\xd3 2031 0: abc\xd3 2032 1: abc 2033 2034/(abc)\100/ 2035 abc\x40 2036 0: abc@ 2037 1: abc 2038 abc\100 2039 0: abc@ 2040 1: abc 2041 2042/(abc)\1000/ 2043 abc\x400 2044 0: abc@0 2045 1: abc 2046 abc\x40\x30 2047 0: abc@0 2048 1: abc 2049 abc\1000 2050 0: abc@0 2051 1: abc 2052 abc\100\x30 2053 0: abc@0 2054 1: abc 2055 abc\100\060 2056 0: abc@0 2057 1: abc 2058 abc\100\60 2059 0: abc@0 2060 1: abc 2061 2062/^(A)(B)(C)(D)(E)(F)(G)(H)(I)\8\9$/ 2063 ABCDEFGHIHI 2064 0: ABCDEFGHIHI 2065 1: A 2066 2: B 2067 3: C 2068 4: D 2069 5: E 2070 6: F 2071 7: G 2072 8: H 2073 9: I 2074 2075/^[A\8B\9C]+$/ 2076 A8B9C 2077 0: A8B9C 2078\= Expect no match 2079 A8B9C\x00 2080No match 2081 2082/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\12\123/ 2083 abcdefghijkllS 2084 0: abcdefghijkllS 2085 1: a 2086 2: b 2087 3: c 2088 4: d 2089 5: e 2090 6: f 2091 7: g 2092 8: h 2093 9: i 209410: j 209511: k 209612: l 2097 2098/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/ 2099 abcdefghijk\12S 2100 0: abcdefghijk\x0aS 2101 1: a 2102 2: b 2103 3: c 2104 4: d 2105 5: e 2106 6: f 2107 7: g 2108 8: h 2109 9: i 211010: j 211111: k 2112 2113/a{0}bc/ 2114 bc 2115 0: bc 2116 2117/(a|(bc)){0,0}?xyz/ 2118 xyz 2119 0: xyz 2120 2121/abc[\10]de/ 2122 abc\010de 2123 0: abc\x08de 2124 2125/abc[\1]de/ 2126 abc\1de 2127 0: abc\x01de 2128 2129/(abc)[\1]de/ 2130 abc\1de 2131 0: abc\x01de 2132 1: abc 2133 2134/(?s)a.b/ 2135 a\nb 2136 0: a\x0ab 2137 2138/^([^a])([^\b])([^c]*)([^d]{3,4})/ 2139 baNOTccccd 2140 0: baNOTcccc 2141 1: b 2142 2: a 2143 3: NOT 2144 4: cccc 2145 baNOTcccd 2146 0: baNOTccc 2147 1: b 2148 2: a 2149 3: NOT 2150 4: ccc 2151 baNOTccd 2152 0: baNOTcc 2153 1: b 2154 2: a 2155 3: NO 2156 4: Tcc 2157 bacccd 2158 0: baccc 2159 1: b 2160 2: a 2161 3: 2162 4: ccc 2163\= Expect no match 2164 anything 2165No match 2166 b\bc 2167No match 2168 baccd 2169No match 2170 2171/[^a]/ 2172 Abc 2173 0: A 2174 2175/[^a]/i 2176 Abc 2177 0: b 2178 2179/[^a]+/ 2180 AAAaAbc 2181 0: AAA 2182 2183/[^a]+/i 2184 AAAaAbc 2185 0: bc 2186 2187/[^a]+/ 2188 bbb\nccc 2189 0: bbb\x0accc 2190 2191/[^k]$/ 2192 abc 2193 0: c 2194\= Expect no match 2195 abk 2196No match 2197 2198/[^k]{2,3}$/ 2199 abc 2200 0: abc 2201 kbc 2202 0: bc 2203 kabc 2204 0: abc 2205\= Expect no match 2206 abk 2207No match 2208 akb 2209No match 2210 akk 2211No match 2212 2213/^\d{8,}\@.+[^k]$/ 2214 12345678\@a.b.c.d 2215 0: 12345678@a.b.c.d 2216 123456789\@x.y.z 2217 0: 123456789@x.y.z 2218\= Expect no match 2219 12345678\@x.y.uk 2220No match 2221 1234567\@a.b.c.d 2222No match 2223 2224/(a)\1{8,}/ 2225 aaaaaaaaa 2226 0: aaaaaaaaa 2227 1: a 2228 aaaaaaaaaa 2229 0: aaaaaaaaaa 2230 1: a 2231\= Expect no match 2232 aaaaaaa 2233No match 2234 2235/[^a]/ 2236 aaaabcd 2237 0: b 2238 aaAabcd 2239 0: A 2240 2241/[^a]/i 2242 aaaabcd 2243 0: b 2244 aaAabcd 2245 0: b 2246 2247/[^az]/ 2248 aaaabcd 2249 0: b 2250 aaAabcd 2251 0: A 2252 2253/[^az]/i 2254 aaaabcd 2255 0: b 2256 aaAabcd 2257 0: b 2258 2259/\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/ 2260 \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377 2261 0: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff 2262 2263/P[^*]TAIRE[^*]{1,6}?LL/ 2264 xxxxxxxxxxxPSTAIREISLLxxxxxxxxx 2265 0: PSTAIREISLL 2266 2267/P[^*]TAIRE[^*]{1,}?LL/ 2268 xxxxxxxxxxxPSTAIREISLLxxxxxxxxx 2269 0: PSTAIREISLL 2270 2271/(\.\d\d[1-9]?)\d+/ 2272 1.230003938 2273 0: .230003938 2274 1: .23 2275 1.875000282 2276 0: .875000282 2277 1: .875 2278 1.235 2279 0: .235 2280 1: .23 2281 2282/(\.\d\d((?=0)|\d(?=\d)))/ 2283 1.230003938 2284 0: .23 2285 1: .23 2286 2: 2287 1.875000282 2288 0: .875 2289 1: .875 2290 2: 5 2291\= Expect no match 2292 1.235 2293No match 2294 2295/a(?)b/ 2296 ab 2297 0: ab 2298 2299/\b(foo)\s+(\w+)/i 2300 Food is on the foo table 2301 0: foo table 2302 1: foo 2303 2: table 2304 2305/foo(.*)bar/ 2306 The food is under the bar in the barn. 2307 0: food is under the bar in the bar 2308 1: d is under the bar in the 2309 2310/foo(.*?)bar/ 2311 The food is under the bar in the barn. 2312 0: food is under the bar 2313 1: d is under the 2314 2315/(.*)(\d*)/ 2316 I have 2 numbers: 53147 2317 0: I have 2 numbers: 53147 2318 1: I have 2 numbers: 53147 2319 2: 2320 2321/(.*)(\d+)/ 2322 I have 2 numbers: 53147 2323 0: I have 2 numbers: 53147 2324 1: I have 2 numbers: 5314 2325 2: 7 2326 2327/(.*?)(\d*)/ 2328 I have 2 numbers: 53147 2329 0: 2330 1: 2331 2: 2332 2333/(.*?)(\d+)/ 2334 I have 2 numbers: 53147 2335 0: I have 2 2336 1: I have 2337 2: 2 2338 2339/(.*)(\d+)$/ 2340 I have 2 numbers: 53147 2341 0: I have 2 numbers: 53147 2342 1: I have 2 numbers: 5314 2343 2: 7 2344 2345/(.*?)(\d+)$/ 2346 I have 2 numbers: 53147 2347 0: I have 2 numbers: 53147 2348 1: I have 2 numbers: 2349 2: 53147 2350 2351/(.*)\b(\d+)$/ 2352 I have 2 numbers: 53147 2353 0: I have 2 numbers: 53147 2354 1: I have 2 numbers: 2355 2: 53147 2356 2357/(.*\D)(\d+)$/ 2358 I have 2 numbers: 53147 2359 0: I have 2 numbers: 53147 2360 1: I have 2 numbers: 2361 2: 53147 2362 2363/^\D*(?!123)/ 2364 ABC123 2365 0: AB 2366 2367/^(\D*)(?=\d)(?!123)/ 2368 ABC445 2369 0: ABC 2370 1: ABC 2371\= Expect no match 2372 ABC123 2373No match 2374 2375/^[W-]46]/ 2376 W46]789 2377 0: W46] 2378 -46]789 2379 0: -46] 2380\= Expect no match 2381 Wall 2382No match 2383 Zebra 2384No match 2385 42 2386No match 2387 [abcd] 2388No match 2389 ]abcd[ 2390No match 2391 2392/^[W-\]46]/ 2393 W46]789 2394 0: W 2395 Wall 2396 0: W 2397 Zebra 2398 0: Z 2399 Xylophone 2400 0: X 2401 42 2402 0: 4 2403 [abcd] 2404 0: [ 2405 ]abcd[ 2406 0: ] 2407 \\backslash 2408 0: \ 2409\= Expect no match 2410 -46]789 2411No match 2412 well 2413No match 2414 2415/\d\d\/\d\d\/\d\d\d\d/ 2416 01/01/2000 2417 0: 01/01/2000 2418 2419/word (?:[a-zA-Z0-9]+ ){0,10}otherword/ 2420 word cat dog elephant mussel cow horse canary baboon snake shark otherword 2421 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword 2422\= Expect no match 2423 word cat dog elephant mussel cow horse canary baboon snake shark 2424No match 2425 2426/word (?:[a-zA-Z0-9]+ ){0,300}otherword/ 2427\= Expect no match 2428 word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope 2429No match 2430 2431/^(a){0,0}/ 2432 bcd 2433 0: 2434 abc 2435 0: 2436 aab 2437 0: 2438 2439/^(a){0,1}/ 2440 bcd 2441 0: 2442 abc 2443 0: a 2444 1: a 2445 aab 2446 0: a 2447 1: a 2448 2449/^(a){0,2}/ 2450 bcd 2451 0: 2452 abc 2453 0: a 2454 1: a 2455 aab 2456 0: aa 2457 1: a 2458 2459/^(a){0,3}/ 2460 bcd 2461 0: 2462 abc 2463 0: a 2464 1: a 2465 aab 2466 0: aa 2467 1: a 2468 aaa 2469 0: aaa 2470 1: a 2471 2472/^(a){0,}/ 2473 bcd 2474 0: 2475 abc 2476 0: a 2477 1: a 2478 aab 2479 0: aa 2480 1: a 2481 aaa 2482 0: aaa 2483 1: a 2484 aaaaaaaa 2485 0: aaaaaaaa 2486 1: a 2487 2488/^(a){1,1}/ 2489 abc 2490 0: a 2491 1: a 2492 aab 2493 0: a 2494 1: a 2495\= Expect no match 2496 bcd 2497No match 2498 2499/^(a){1,2}/ 2500 abc 2501 0: a 2502 1: a 2503 aab 2504 0: aa 2505 1: a 2506\= Expect no match 2507 bcd 2508No match 2509 2510/^(a){1,3}/ 2511 abc 2512 0: a 2513 1: a 2514 aab 2515 0: aa 2516 1: a 2517 aaa 2518 0: aaa 2519 1: a 2520\= Expect no match 2521 bcd 2522No match 2523 2524/^(a){1,}/ 2525 abc 2526 0: a 2527 1: a 2528 aab 2529 0: aa 2530 1: a 2531 aaa 2532 0: aaa 2533 1: a 2534 aaaaaaaa 2535 0: aaaaaaaa 2536 1: a 2537\= Expect no match 2538 bcd 2539No match 2540 2541/.*\.gif/ 2542 borfle\nbib.gif\nno 2543 0: bib.gif 2544 2545/.{0,}\.gif/ 2546 borfle\nbib.gif\nno 2547 0: bib.gif 2548 2549/.*\.gif/m 2550 borfle\nbib.gif\nno 2551 0: bib.gif 2552 2553/.*\.gif/s 2554 borfle\nbib.gif\nno 2555 0: borfle\x0abib.gif 2556 2557/.*\.gif/ms 2558 borfle\nbib.gif\nno 2559 0: borfle\x0abib.gif 2560 2561/.*$/ 2562 borfle\nbib.gif\nno 2563 0: no 2564 2565/.*$/m 2566 borfle\nbib.gif\nno 2567 0: borfle 2568 2569/.*$/s 2570 borfle\nbib.gif\nno 2571 0: borfle\x0abib.gif\x0ano 2572 2573/.*$/ms 2574 borfle\nbib.gif\nno 2575 0: borfle\x0abib.gif\x0ano 2576 2577/.*$/ 2578 borfle\nbib.gif\nno\n 2579 0: no 2580 2581/.*$/m 2582 borfle\nbib.gif\nno\n 2583 0: borfle 2584 2585/.*$/s 2586 borfle\nbib.gif\nno\n 2587 0: borfle\x0abib.gif\x0ano\x0a 2588 2589/.*$/ms 2590 borfle\nbib.gif\nno\n 2591 0: borfle\x0abib.gif\x0ano\x0a 2592 2593/(.*X|^B)/ 2594 abcde\n1234Xyz 2595 0: 1234X 2596 1: 1234X 2597 BarFoo 2598 0: B 2599 1: B 2600\= Expect no match 2601 abcde\nBar 2602No match 2603 2604/(.*X|^B)/m 2605 abcde\n1234Xyz 2606 0: 1234X 2607 1: 1234X 2608 BarFoo 2609 0: B 2610 1: B 2611 abcde\nBar 2612 0: B 2613 1: B 2614 2615/(.*X|^B)/s 2616 abcde\n1234Xyz 2617 0: abcde\x0a1234X 2618 1: abcde\x0a1234X 2619 BarFoo 2620 0: B 2621 1: B 2622\= Expect no match 2623 abcde\nBar 2624No match 2625 2626/(.*X|^B)/ms 2627 abcde\n1234Xyz 2628 0: abcde\x0a1234X 2629 1: abcde\x0a1234X 2630 BarFoo 2631 0: B 2632 1: B 2633 abcde\nBar 2634 0: B 2635 1: B 2636 2637/(?s)(.*X|^B)/ 2638 abcde\n1234Xyz 2639 0: abcde\x0a1234X 2640 1: abcde\x0a1234X 2641 BarFoo 2642 0: B 2643 1: B 2644\= Expect no match 2645 abcde\nBar 2646No match 2647 2648/(?s:.*X|^B)/ 2649 abcde\n1234Xyz 2650 0: abcde\x0a1234X 2651 BarFoo 2652 0: B 2653\= Expect no match 2654 abcde\nBar 2655No match 2656 2657/^.*B/ 2658\= Expect no match 2659 abc\nB 2660No match 2661 2662/(?s)^.*B/ 2663 abc\nB 2664 0: abc\x0aB 2665 2666/(?m)^.*B/ 2667 abc\nB 2668 0: B 2669 2670/(?ms)^.*B/ 2671 abc\nB 2672 0: abc\x0aB 2673 2674/(?ms)^B/ 2675 abc\nB 2676 0: B 2677 2678/(?s)B$/ 2679 B\n 2680 0: B 2681 2682/^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/ 2683 123456654321 2684 0: 123456654321 2685 2686/^\d\d\d\d\d\d\d\d\d\d\d\d/ 2687 123456654321 2688 0: 123456654321 2689 2690/^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/ 2691 123456654321 2692 0: 123456654321 2693 2694/^[abc]{12}/ 2695 abcabcabcabc 2696 0: abcabcabcabc 2697 2698/^[a-c]{12}/ 2699 abcabcabcabc 2700 0: abcabcabcabc 2701 2702/^(a|b|c){12}/ 2703 abcabcabcabc 2704 0: abcabcabcabc 2705 1: c 2706 2707/^[abcdefghijklmnopqrstuvwxy0123456789]/ 2708 n 2709 0: n 2710\= Expect no match 2711 z 2712No match 2713 2714/abcde{0,0}/ 2715 abcd 2716 0: abcd 2717\= Expect no match 2718 abce 2719No match 2720 2721/ab[cd]{0,0}e/ 2722 abe 2723 0: abe 2724\= Expect no match 2725 abcde 2726No match 2727 2728/ab(c){0,0}d/ 2729 abd 2730 0: abd 2731\= Expect no match 2732 abcd 2733No match 2734 2735/a(b*)/ 2736 a 2737 0: a 2738 1: 2739 ab 2740 0: ab 2741 1: b 2742 abbbb 2743 0: abbbb 2744 1: bbbb 2745\= Expect no match 2746 bbbbb 2747No match 2748 2749/ab\d{0}e/ 2750 abe 2751 0: abe 2752\= Expect no match 2753 ab1e 2754No match 2755 2756/"([^\\"]+|\\.)*"/ 2757 the \"quick\" brown fox 2758 0: "quick" 2759 1: quick 2760 \"the \\\"quick\\\" brown fox\" 2761 0: "the \"quick\" brown fox" 2762 1: brown fox 2763 2764/.*?/g,aftertext 2765 abc 2766 0: 2767 0+ abc 2768 0: a 2769 0+ bc 2770 0: 2771 0+ bc 2772 0: b 2773 0+ c 2774 0: 2775 0+ c 2776 0: c 2777 0+ 2778 0: 2779 0+ 2780 2781/\b/g,aftertext 2782 abc 2783 0: 2784 0+ abc 2785 0: 2786 0+ 2787 2788/\b/g,aftertext 2789 abc 2790 0: 2791 0+ abc 2792 0: 2793 0+ 2794 2795//g 2796 abc 2797 0: 2798 0: 2799 0: 2800 0: 2801 2802/<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is 2803 <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR> 2804 0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR> 2805 1: BGCOLOR='#DBE9E9' 2806 2: align=left valign=top 2807 3: 43. 2808 4: <a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286) 2809 5: 2810 6: 2811 7: <unset> 2812 8: align=left valign=top 2813 9: Lega lstaff.com 281410: align=left valign=top 281511: CA - Statewide 2816 2817/a[^a]b/ 2818 acb 2819 0: acb 2820 a\nb 2821 0: a\x0ab 2822 2823/a.b/ 2824 acb 2825 0: acb 2826\= Expect no match 2827 a\nb 2828No match 2829 2830/a[^a]b/s 2831 acb 2832 0: acb 2833 a\nb 2834 0: a\x0ab 2835 2836/a.b/s 2837 acb 2838 0: acb 2839 a\nb 2840 0: a\x0ab 2841 2842/^(b+?|a){1,2}?c/ 2843 bac 2844 0: bac 2845 1: a 2846 bbac 2847 0: bbac 2848 1: a 2849 bbbac 2850 0: bbbac 2851 1: a 2852 bbbbac 2853 0: bbbbac 2854 1: a 2855 bbbbbac 2856 0: bbbbbac 2857 1: a 2858 2859/^(b+|a){1,2}?c/ 2860 bac 2861 0: bac 2862 1: a 2863 bbac 2864 0: bbac 2865 1: a 2866 bbbac 2867 0: bbbac 2868 1: a 2869 bbbbac 2870 0: bbbbac 2871 1: a 2872 bbbbbac 2873 0: bbbbbac 2874 1: a 2875 2876/(?!\A)x/m 2877 a\bx\n 2878 0: x 2879 a\nx\n 2880 0: x 2881\= Expect no match 2882 x\nb\n 2883No match 2884 2885/(A|B)*?CD/ 2886 CD 2887 0: CD 2888 2889/(A|B)*CD/ 2890 CD 2891 0: CD 2892 2893/(AB)*?\1/ 2894 ABABAB 2895 0: ABAB 2896 1: AB 2897 2898/(AB)*\1/ 2899 ABABAB 2900 0: ABABAB 2901 1: AB 2902 2903/(?<!bar)foo/ 2904 foo 2905 0: foo 2906 catfood 2907 0: foo 2908 arfootle 2909 0: foo 2910 rfoosh 2911 0: foo 2912\= Expect no match 2913 barfoo 2914No match 2915 towbarfoo 2916No match 2917 2918/\w{3}(?<!bar)foo/ 2919 catfood 2920 0: catfoo 2921\= Expect no match 2922 foo 2923No match 2924 barfoo 2925No match 2926 towbarfoo 2927No match 2928 2929/(?<=(foo)a)bar/ 2930 fooabar 2931 0: bar 2932 1: foo 2933\= Expect no match 2934 bar 2935No match 2936 foobbar 2937No match 2938 2939/\Aabc\z/m 2940 abc 2941 0: abc 2942\= Expect no match 2943 abc\n 2944No match 2945 qqq\nabc 2946No match 2947 abc\nzzz 2948No match 2949 qqq\nabc\nzzz 2950No match 2951 2952"(?>.*/)foo" 2953 /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo 2954 0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo 2955\= Expect no match 2956 /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/ 2957No match 2958 2959/(?>(\.\d\d[1-9]?))\d+/ 2960 1.230003938 2961 0: .230003938 2962 1: .23 2963 1.875000282 2964 0: .875000282 2965 1: .875 2966\= Expect no match 2967 1.235 2968No match 2969 2970/^((?>\w+)|(?>\s+))*$/ 2971 now is the time for all good men to come to the aid of the party 2972 0: now is the time for all good men to come to the aid of the party 2973 1: party 2974\= Expect no match 2975 this is not a line with only words and spaces! 2976No match 2977 2978/(\d+)(\w)/ 2979 12345a 2980 0: 12345a 2981 1: 12345 2982 2: a 2983 12345+ 2984 0: 12345 2985 1: 1234 2986 2: 5 2987 2988/((?>\d+))(\w)/ 2989 12345a 2990 0: 12345a 2991 1: 12345 2992 2: a 2993\= Expect no match 2994 12345+ 2995No match 2996 2997/(?>a+)b/ 2998 aaab 2999 0: aaab 3000 3001/((?>a+)b)/ 3002 aaab 3003 0: aaab 3004 1: aaab 3005 3006/(?>(a+))b/ 3007 aaab 3008 0: aaab 3009 1: aaa 3010 3011/(?>b)+/ 3012 aaabbbccc 3013 0: bbb 3014 3015/(?>a+|b+|c+)*c/ 3016 aaabbbbccccd 3017 0: aaabbbbc 3018 3019/((?>[^()]+)|\([^()]*\))+/ 3020 ((abc(ade)ufh()()x 3021 0: abc(ade)ufh()()x 3022 1: x 3023 3024/\(((?>[^()]+)|\([^()]+\))+\)/ 3025 (abc) 3026 0: (abc) 3027 1: abc 3028 (abc(def)xyz) 3029 0: (abc(def)xyz) 3030 1: xyz 3031\= Expect no match 3032 ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 3033No match 3034 3035/a(?-i)b/i 3036 ab 3037 0: ab 3038 Ab 3039 0: Ab 3040\= Expect no match 3041 aB 3042No match 3043 AB 3044No match 3045 3046/(a (?x)b c)d e/ 3047 a bcd e 3048 0: a bcd e 3049 1: a bc 3050\= Expect no match 3051 a b cd e 3052No match 3053 abcd e 3054No match 3055 a bcde 3056No match 3057 3058/(a b(?x)c d (?-x)e f)/ 3059 a bcde f 3060 0: a bcde f 3061 1: a bcde f 3062\= Expect no match 3063 abcdef 3064No match 3065 3066/(a(?i)b)c/ 3067 abc 3068 0: abc 3069 1: ab 3070 aBc 3071 0: aBc 3072 1: aB 3073\= Expect no match 3074 abC 3075No match 3076 aBC 3077No match 3078 Abc 3079No match 3080 ABc 3081No match 3082 ABC 3083No match 3084 AbC 3085No match 3086 3087/a(?i:b)c/ 3088 abc 3089 0: abc 3090 aBc 3091 0: aBc 3092\= Expect no match 3093 ABC 3094No match 3095 abC 3096No match 3097 aBC 3098No match 3099 3100/a(?i:b)*c/ 3101 aBc 3102 0: aBc 3103 aBBc 3104 0: aBBc 3105\= Expect no match 3106 aBC 3107No match 3108 aBBC 3109No match 3110 3111/a(?=b(?i)c)\w\wd/ 3112 abcd 3113 0: abcd 3114 abCd 3115 0: abCd 3116\= Expect no match 3117 aBCd 3118No match 3119 abcD 3120No match 3121 3122/(?s-i:more.*than).*million/i 3123 more than million 3124 0: more than million 3125 more than MILLION 3126 0: more than MILLION 3127 more \n than Million 3128 0: more \x0a than Million 3129\= Expect no match 3130 MORE THAN MILLION 3131No match 3132 more \n than \n million 3133No match 3134 3135/(?:(?s-i)more.*than).*million/i 3136 more than million 3137 0: more than million 3138 more than MILLION 3139 0: more than MILLION 3140 more \n than Million 3141 0: more \x0a than Million 3142\= Expect no match 3143 MORE THAN MILLION 3144No match 3145 more \n than \n million 3146No match 3147 3148/(?>a(?i)b+)+c/ 3149 abc 3150 0: abc 3151 aBbc 3152 0: aBbc 3153 aBBc 3154 0: aBBc 3155\= Expect no match 3156 Abc 3157No match 3158 abAb 3159No match 3160 abbC 3161No match 3162 3163/(?=a(?i)b)\w\wc/ 3164 abc 3165 0: abc 3166 aBc 3167 0: aBc 3168\= Expect no match 3169 Ab 3170No match 3171 abC 3172No match 3173 aBC 3174No match 3175 3176/(?<=a(?i)b)(\w\w)c/ 3177 abxxc 3178 0: xxc 3179 1: xx 3180 aBxxc 3181 0: xxc 3182 1: xx 3183\= Expect no match 3184 Abxxc 3185No match 3186 ABxxc 3187No match 3188 abxxC 3189No match 3190 3191/(?:(a)|b)(?(1)A|B)/ 3192 aA 3193 0: aA 3194 1: a 3195 bB 3196 0: bB 3197\= Expect no match 3198 aB 3199No match 3200 bA 3201No match 3202 3203/^(a)?(?(1)a|b)+$/ 3204 aa 3205 0: aa 3206 1: a 3207 b 3208 0: b 3209 bb 3210 0: bb 3211\= Expect no match 3212 ab 3213No match 3214 3215# Perl gets this next one wrong if the pattern ends with $; in that case it 3216# fails to match "12". 3217 3218/^(?(?=abc)\w{3}:|\d\d)/ 3219 abc: 3220 0: abc: 3221 12 3222 0: 12 3223 123 3224 0: 12 3225\= Expect no match 3226 xyz 3227No match 3228 3229/^(?(?!abc)\d\d|\w{3}:)$/ 3230 abc: 3231 0: abc: 3232 12 3233 0: 12 3234\= Expect no match 3235 123 3236No match 3237 xyz 3238No match 3239 3240/(?(?<=foo)bar|cat)/ 3241 foobar 3242 0: bar 3243 cat 3244 0: cat 3245 fcat 3246 0: cat 3247 focat 3248 0: cat 3249\= Expect no match 3250 foocat 3251No match 3252 3253/(?(?<!foo)cat|bar)/ 3254 foobar 3255 0: bar 3256 cat 3257 0: cat 3258 fcat 3259 0: cat 3260 focat 3261 0: cat 3262\= Expect no match 3263 foocat 3264No match 3265 3266/( \( )? [^()]+ (?(1) \) |) /x 3267 abcd 3268 0: abcd 3269 (abcd) 3270 0: (abcd) 3271 1: ( 3272 the quick (abcd) fox 3273 0: the quick 3274 (abcd 3275 0: abcd 3276 3277/( \( )? [^()]+ (?(1) \) ) /x 3278 abcd 3279 0: abcd 3280 (abcd) 3281 0: (abcd) 3282 1: ( 3283 the quick (abcd) fox 3284 0: the quick 3285 (abcd 3286 0: abcd 3287 3288/^(?(2)a|(1)(2))+$/ 3289 12 3290 0: 12 3291 1: 1 3292 2: 2 3293 12a 3294 0: 12a 3295 1: 1 3296 2: 2 3297 12aa 3298 0: 12aa 3299 1: 1 3300 2: 2 3301\= Expect no match 3302 1234 3303No match 3304 3305/((?i)blah)\s+\1/ 3306 blah blah 3307 0: blah blah 3308 1: blah 3309 BLAH BLAH 3310 0: BLAH BLAH 3311 1: BLAH 3312 Blah Blah 3313 0: Blah Blah 3314 1: Blah 3315 blaH blaH 3316 0: blaH blaH 3317 1: blaH 3318\= Expect no match 3319 blah BLAH 3320No match 3321 Blah blah 3322No match 3323 blaH blah 3324No match 3325 3326/((?i)blah)\s+(?i:\1)/ 3327 blah blah 3328 0: blah blah 3329 1: blah 3330 BLAH BLAH 3331 0: BLAH BLAH 3332 1: BLAH 3333 Blah Blah 3334 0: Blah Blah 3335 1: Blah 3336 blaH blaH 3337 0: blaH blaH 3338 1: blaH 3339 blah BLAH 3340 0: blah BLAH 3341 1: blah 3342 Blah blah 3343 0: Blah blah 3344 1: Blah 3345 blaH blah 3346 0: blaH blah 3347 1: blaH 3348 3349/((?i)blah)\s+(?m)A(?i:\1)/ 3350 blah ABLAH 3351 0: blah ABLAH 3352 1: blah 3353\= Expect no match 3354 blah aBLAH 3355No match 3356 3357/(?>a*)*/ 3358 a 3359 0: a 3360 aa 3361 0: aa 3362 aaaa 3363 0: aaaa 3364 3365/(abc|)+/ 3366 abc 3367 0: abc 3368 1: 3369 abcabc 3370 0: abcabc 3371 1: 3372 abcabcabc 3373 0: abcabcabc 3374 1: 3375 xyz 3376 0: 3377 1: 3378 3379/([a]*)*/ 3380 a 3381 0: a 3382 1: 3383 aaaaa 3384 0: aaaaa 3385 1: 3386 3387/([ab]*)*/ 3388 a 3389 0: a 3390 1: 3391 b 3392 0: b 3393 1: 3394 ababab 3395 0: ababab 3396 1: 3397 aaaabcde 3398 0: aaaab 3399 1: 3400 bbbb 3401 0: bbbb 3402 1: 3403 3404/([^a]*)*/ 3405 b 3406 0: b 3407 1: 3408 bbbb 3409 0: bbbb 3410 1: 3411 aaa 3412 0: 3413 1: 3414 3415/([^ab]*)*/ 3416 cccc 3417 0: cccc 3418 1: 3419 abab 3420 0: 3421 1: 3422 3423/([a]*?)*/ 3424 a 3425 0: 3426 1: 3427 aaaa 3428 0: 3429 1: 3430 3431/([ab]*?)*/ 3432 a 3433 0: 3434 1: 3435 b 3436 0: 3437 1: 3438 abab 3439 0: 3440 1: 3441 baba 3442 0: 3443 1: 3444 3445/([^a]*?)*/ 3446 b 3447 0: 3448 1: 3449 bbbb 3450 0: 3451 1: 3452 aaa 3453 0: 3454 1: 3455 3456/([^ab]*?)*/ 3457 c 3458 0: 3459 1: 3460 cccc 3461 0: 3462 1: 3463 baba 3464 0: 3465 1: 3466 3467/(?>a*)*/ 3468 a 3469 0: a 3470 aaabcde 3471 0: aaa 3472 3473/((?>a*))*/ 3474 aaaaa 3475 0: aaaaa 3476 1: 3477 aabbaa 3478 0: aa 3479 1: 3480 3481/((?>a*?))*/ 3482 aaaaa 3483 0: 3484 1: 3485 aabbaa 3486 0: 3487 1: 3488 3489/(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x 3490 12-sep-98 3491 0: 12-sep-98 3492 12-09-98 3493 0: 12-09-98 3494\= Expect no match 3495 sep-12-98 3496No match 3497 3498/(?<=(foo))bar\1/ 3499 foobarfoo 3500 0: barfoo 3501 1: foo 3502 foobarfootling 3503 0: barfoo 3504 1: foo 3505\= Expect no match 3506 foobar 3507No match 3508 barfoo 3509No match 3510 3511/(?i:saturday|sunday)/ 3512 saturday 3513 0: saturday 3514 sunday 3515 0: sunday 3516 Saturday 3517 0: Saturday 3518 Sunday 3519 0: Sunday 3520 SATURDAY 3521 0: SATURDAY 3522 SUNDAY 3523 0: SUNDAY 3524 SunDay 3525 0: SunDay 3526 3527/(a(?i)bc|BB)x/ 3528 abcx 3529 0: abcx 3530 1: abc 3531 aBCx 3532 0: aBCx 3533 1: aBC 3534 bbx 3535 0: bbx 3536 1: bb 3537 BBx 3538 0: BBx 3539 1: BB 3540\= Expect no match 3541 abcX 3542No match 3543 aBCX 3544No match 3545 bbX 3546No match 3547 BBX 3548No match 3549 3550/^([ab](?i)[cd]|[ef])/ 3551 ac 3552 0: ac 3553 1: ac 3554 aC 3555 0: aC 3556 1: aC 3557 bD 3558 0: bD 3559 1: bD 3560 elephant 3561 0: e 3562 1: e 3563 Europe 3564 0: E 3565 1: E 3566 frog 3567 0: f 3568 1: f 3569 France 3570 0: F 3571 1: F 3572\= Expect no match 3573 Africa 3574No match 3575 3576/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/ 3577 ab 3578 0: ab 3579 1: ab 3580 aBd 3581 0: aBd 3582 1: aBd 3583 xy 3584 0: xy 3585 1: xy 3586 xY 3587 0: xY 3588 1: xY 3589 zebra 3590 0: z 3591 1: z 3592 Zambesi 3593 0: Z 3594 1: Z 3595\= Expect no match 3596 aCD 3597No match 3598 XY 3599No match 3600 3601/(?<=foo\n)^bar/m 3602 foo\nbar 3603 0: bar 3604\= Expect no match 3605 bar 3606No match 3607 baz\nbar 3608No match 3609 3610/(?<=(?<!foo)bar)baz/ 3611 barbaz 3612 0: baz 3613 barbarbaz 3614 0: baz 3615 koobarbaz 3616 0: baz 3617\= Expect no match 3618 baz 3619No match 3620 foobarbaz 3621No match 3622 3623# The cases of aaaa and aaaaaa are missed out below because Perl does things 3624# differently. We know that odd, and maybe incorrect, things happen with 3625# recursive references in Perl, as far as 5.11.3 - see some stuff in test #2. 3626 3627/^(a\1?){4}$/ 3628 aaaaa 3629 0: aaaaa 3630 1: a 3631 aaaaaaa 3632 0: aaaaaaa 3633 1: a 3634 aaaaaaaaaa 3635 0: aaaaaaaaaa 3636 1: aaaa 3637\= Expect no match 3638 a 3639No match 3640 aa 3641No match 3642 aaa 3643No match 3644 aaaaaaaa 3645No match 3646 aaaaaaaaa 3647No match 3648 aaaaaaaaaaa 3649No match 3650 aaaaaaaaaaaa 3651No match 3652 aaaaaaaaaaaaa 3653No match 3654 aaaaaaaaaaaaaa 3655No match 3656 aaaaaaaaaaaaaaa 3657No match 3658 aaaaaaaaaaaaaaaa 3659No match 3660 3661/^(a\1?)(a\1?)(a\2?)(a\3?)$/ 3662 aaaa 3663 0: aaaa 3664 1: a 3665 2: a 3666 3: a 3667 4: a 3668 aaaaa 3669 0: aaaaa 3670 1: a 3671 2: aa 3672 3: a 3673 4: a 3674 aaaaaa 3675 0: aaaaaa 3676 1: a 3677 2: aa 3678 3: a 3679 4: aa 3680 aaaaaaa 3681 0: aaaaaaa 3682 1: a 3683 2: aa 3684 3: aaa 3685 4: a 3686 aaaaaaaaaa 3687 0: aaaaaaaaaa 3688 1: a 3689 2: aa 3690 3: aaa 3691 4: aaaa 3692\= Expect no match 3693 a 3694No match 3695 aa 3696No match 3697 aaa 3698No match 3699 aaaaaaaa 3700No match 3701 aaaaaaaaa 3702No match 3703 aaaaaaaaaaa 3704No match 3705 aaaaaaaaaaaa 3706No match 3707 aaaaaaaaaaaaa 3708No match 3709 aaaaaaaaaaaaaa 3710No match 3711 aaaaaaaaaaaaaaa 3712No match 3713 aaaaaaaaaaaaaaaa 3714No match 3715 3716# The following tests are taken from the Perl 5.005 test suite; some of them 3717# are compatible with 5.004, but I'd rather not have to sort them out. 3718 3719/abc/ 3720 abc 3721 0: abc 3722 xabcy 3723 0: abc 3724 ababc 3725 0: abc 3726\= Expect no match 3727 xbc 3728No match 3729 axc 3730No match 3731 abx 3732No match 3733 3734/ab*c/ 3735 abc 3736 0: abc 3737 3738/ab*bc/ 3739 abc 3740 0: abc 3741 abbc 3742 0: abbc 3743 abbbbc 3744 0: abbbbc 3745 3746/.{1}/ 3747 abbbbc 3748 0: a 3749 3750/.{3,4}/ 3751 abbbbc 3752 0: abbb 3753 3754/ab{0,}bc/ 3755 abbbbc 3756 0: abbbbc 3757 3758/ab+bc/ 3759 abbc 3760 0: abbc 3761\= Expect no match 3762 abc 3763No match 3764 abq 3765No match 3766 3767/ab{1,}bc/ 3768 3769/ab+bc/ 3770 abbbbc 3771 0: abbbbc 3772 3773/ab{1,}bc/ 3774 abbbbc 3775 0: abbbbc 3776 3777/ab{1,3}bc/ 3778 abbbbc 3779 0: abbbbc 3780 3781/ab{3,4}bc/ 3782 abbbbc 3783 0: abbbbc 3784 3785/ab{4,5}bc/ 3786\= Expect no match 3787 abq 3788No match 3789 abbbbc 3790No match 3791 3792/ab?bc/ 3793 abbc 3794 0: abbc 3795 abc 3796 0: abc 3797 3798/ab{0,1}bc/ 3799 abc 3800 0: abc 3801 3802/ab?bc/ 3803 3804/ab?c/ 3805 abc 3806 0: abc 3807 3808/ab{0,1}c/ 3809 abc 3810 0: abc 3811 3812/^abc$/ 3813 abc 3814 0: abc 3815\= Expect no match 3816 abbbbc 3817No match 3818 abcc 3819No match 3820 3821/^abc/ 3822 abcc 3823 0: abc 3824 3825/^abc$/ 3826 3827/abc$/ 3828 aabc 3829 0: abc 3830\= Expect no match 3831 aabcd 3832No match 3833 3834/^/ 3835 abc 3836 0: 3837 3838/$/ 3839 abc 3840 0: 3841 3842/a.c/ 3843 abc 3844 0: abc 3845 axc 3846 0: axc 3847 3848/a.*c/ 3849 axyzc 3850 0: axyzc 3851 3852/a[bc]d/ 3853 abd 3854 0: abd 3855\= Expect no match 3856 axyzd 3857No match 3858 abc 3859No match 3860 3861/a[b-d]e/ 3862 ace 3863 0: ace 3864 3865/a[b-d]/ 3866 aac 3867 0: ac 3868 3869/a[-b]/ 3870 a- 3871 0: a- 3872 3873/a[b-]/ 3874 a- 3875 0: a- 3876 3877/a]/ 3878 a] 3879 0: a] 3880 3881/a[]]b/ 3882 a]b 3883 0: a]b 3884 3885/a[^bc]d/ 3886 aed 3887 0: aed 3888\= Expect no match 3889 abd 3890No match 3891 abd 3892No match 3893 3894/a[^-b]c/ 3895 adc 3896 0: adc 3897 3898/a[^]b]c/ 3899 adc 3900 0: adc 3901 a-c 3902 0: a-c 3903\= Expect no match 3904 a]c 3905No match 3906 3907/\ba\b/ 3908 a- 3909 0: a 3910 -a 3911 0: a 3912 -a- 3913 0: a 3914 3915/\by\b/ 3916\= Expect no match 3917 xy 3918No match 3919 yz 3920No match 3921 xyz 3922No match 3923 3924/\Ba\B/ 3925\= Expect no match 3926 a- 3927No match 3928 -a 3929No match 3930 -a- 3931No match 3932 3933/\By\b/ 3934 xy 3935 0: y 3936 3937/\by\B/ 3938 yz 3939 0: y 3940 3941/\By\B/ 3942 xyz 3943 0: y 3944 3945/\w/ 3946 a 3947 0: a 3948 3949/\W/ 3950 - 3951 0: - 3952\= Expect no match 3953 a 3954No match 3955 3956/a\sb/ 3957 a b 3958 0: a b 3959 3960/a\Sb/ 3961 a-b 3962 0: a-b 3963\= Expect no match 3964 a b 3965No match 3966 3967/\d/ 3968 1 3969 0: 1 3970 3971/\D/ 3972 - 3973 0: - 3974\= Expect no match 3975 1 3976No match 3977 3978/[\w]/ 3979 a 3980 0: a 3981 3982/[\W]/ 3983 - 3984 0: - 3985\= Expect no match 3986 a 3987No match 3988 3989/a[\s]b/ 3990 a b 3991 0: a b 3992 3993/a[\S]b/ 3994 a-b 3995 0: a-b 3996\= Expect no match 3997 a b 3998No match 3999 4000/[\d]/ 4001 1 4002 0: 1 4003 4004/[\D]/ 4005 - 4006 0: - 4007\= Expect no match 4008 1 4009No match 4010 4011/ab|cd/ 4012 abc 4013 0: ab 4014 abcd 4015 0: ab 4016 4017/()ef/ 4018 def 4019 0: ef 4020 1: 4021 4022/$b/ 4023 4024/a\(b/ 4025 a(b 4026 0: a(b 4027 4028/a\(*b/ 4029 ab 4030 0: ab 4031 a((b 4032 0: a((b 4033 4034/a\\b/ 4035 a\\b 4036 0: a\b 4037 4038/((a))/ 4039 abc 4040 0: a 4041 1: a 4042 2: a 4043 4044/(a)b(c)/ 4045 abc 4046 0: abc 4047 1: a 4048 2: c 4049 4050/a+b+c/ 4051 aabbabc 4052 0: abc 4053 4054/a{1,}b{1,}c/ 4055 aabbabc 4056 0: abc 4057 4058/a.+?c/ 4059 abcabc 4060 0: abc 4061 4062/(a+|b)*/ 4063 ab 4064 0: ab 4065 1: b 4066 4067/(a+|b){0,}/ 4068 ab 4069 0: ab 4070 1: b 4071 4072/(a+|b)+/ 4073 ab 4074 0: ab 4075 1: b 4076 4077/(a+|b){1,}/ 4078 ab 4079 0: ab 4080 1: b 4081 4082/(a+|b)?/ 4083 ab 4084 0: a 4085 1: a 4086 4087/(a+|b){0,1}/ 4088 ab 4089 0: a 4090 1: a 4091 4092/[^ab]*/ 4093 cde 4094 0: cde 4095 4096/abc/ 4097\= Expect no match 4098 b 4099No match 4100 4101/a*/ 4102 \ 4103 0: 4104 4105/([abc])*d/ 4106 abbbcd 4107 0: abbbcd 4108 1: c 4109 4110/([abc])*bcd/ 4111 abcd 4112 0: abcd 4113 1: a 4114 4115/a|b|c|d|e/ 4116 e 4117 0: e 4118 4119/(a|b|c|d|e)f/ 4120 ef 4121 0: ef 4122 1: e 4123 4124/abcd*efg/ 4125 abcdefg 4126 0: abcdefg 4127 4128/ab*/ 4129 xabyabbbz 4130 0: ab 4131 xayabbbz 4132 0: a 4133 4134/(ab|cd)e/ 4135 abcde 4136 0: cde 4137 1: cd 4138 4139/[abhgefdc]ij/ 4140 hij 4141 0: hij 4142 4143/^(ab|cd)e/ 4144 4145/(abc|)ef/ 4146 abcdef 4147 0: ef 4148 1: 4149 4150/(a|b)c*d/ 4151 abcd 4152 0: bcd 4153 1: b 4154 4155/(ab|ab*)bc/ 4156 abc 4157 0: abc 4158 1: a 4159 4160/a([bc]*)c*/ 4161 abc 4162 0: abc 4163 1: bc 4164 4165/a([bc]*)(c*d)/ 4166 abcd 4167 0: abcd 4168 1: bc 4169 2: d 4170 4171/a([bc]+)(c*d)/ 4172 abcd 4173 0: abcd 4174 1: bc 4175 2: d 4176 4177/a([bc]*)(c+d)/ 4178 abcd 4179 0: abcd 4180 1: b 4181 2: cd 4182 4183/a[bcd]*dcdcde/ 4184 adcdcde 4185 0: adcdcde 4186 4187/a[bcd]+dcdcde/ 4188\= Expect no match 4189 abcde 4190No match 4191 adcdcde 4192No match 4193 4194/(ab|a)b*c/ 4195 abc 4196 0: abc 4197 1: ab 4198 4199/((a)(b)c)(d)/ 4200 abcd 4201 0: abcd 4202 1: abc 4203 2: a 4204 3: b 4205 4: d 4206 4207/[a-zA-Z_][a-zA-Z0-9_]*/ 4208 alpha 4209 0: alpha 4210 4211/^a(bc+|b[eh])g|.h$/ 4212 abh 4213 0: bh 4214 4215/(bc+d$|ef*g.|h?i(j|k))/ 4216 effgz 4217 0: effgz 4218 1: effgz 4219 ij 4220 0: ij 4221 1: ij 4222 2: j 4223 reffgz 4224 0: effgz 4225 1: effgz 4226\= Expect no match 4227 effg 4228No match 4229 bcdd 4230No match 4231 4232/((((((((((a))))))))))/ 4233 a 4234 0: a 4235 1: a 4236 2: a 4237 3: a 4238 4: a 4239 5: a 4240 6: a 4241 7: a 4242 8: a 4243 9: a 424410: a 4245 4246/((((((((((a))))))))))\10/ 4247 aa 4248 0: aa 4249 1: a 4250 2: a 4251 3: a 4252 4: a 4253 5: a 4254 6: a 4255 7: a 4256 8: a 4257 9: a 425810: a 4259 4260/(((((((((a)))))))))/ 4261 a 4262 0: a 4263 1: a 4264 2: a 4265 3: a 4266 4: a 4267 5: a 4268 6: a 4269 7: a 4270 8: a 4271 9: a 4272 4273/multiple words of text/ 4274\= Expect no match 4275 aa 4276No match 4277 uh-uh 4278No match 4279 4280/multiple words/ 4281 multiple words, yeah 4282 0: multiple words 4283 4284/(.*)c(.*)/ 4285 abcde 4286 0: abcde 4287 1: ab 4288 2: de 4289 4290/\((.*), (.*)\)/ 4291 (a, b) 4292 0: (a, b) 4293 1: a 4294 2: b 4295 4296/[k]/ 4297 4298/abcd/ 4299 abcd 4300 0: abcd 4301 4302/a(bc)d/ 4303 abcd 4304 0: abcd 4305 1: bc 4306 4307/a[-]?c/ 4308 ac 4309 0: ac 4310 4311/(abc)\1/ 4312 abcabc 4313 0: abcabc 4314 1: abc 4315 4316/([a-c]*)\1/ 4317 abcabc 4318 0: abcabc 4319 1: abc 4320 4321/(a)|\1/ 4322 a 4323 0: a 4324 1: a 4325 ab 4326 0: a 4327 1: a 4328\= Expect no match 4329 x 4330No match 4331 4332/(([a-c])b*?\2)*/ 4333 ababbbcbc 4334 0: ababb 4335 1: bb 4336 2: b 4337 4338/(([a-c])b*?\2){3}/ 4339 ababbbcbc 4340 0: ababbbcbc 4341 1: cbc 4342 2: c 4343 4344/((\3|b)\2(a)x)+/ 4345 aaaxabaxbaaxbbax 4346 0: bbax 4347 1: bbax 4348 2: b 4349 3: a 4350 4351/((\3|b)\2(a)){2,}/ 4352 bbaababbabaaaaabbaaaabba 4353 0: bbaaaabba 4354 1: bba 4355 2: b 4356 3: a 4357 4358/abc/i 4359 ABC 4360 0: ABC 4361 XABCY 4362 0: ABC 4363 ABABC 4364 0: ABC 4365\= Expect no match 4366 aaxabxbaxbbx 4367No match 4368 XBC 4369No match 4370 AXC 4371No match 4372 ABX 4373No match 4374 4375/ab*c/i 4376 ABC 4377 0: ABC 4378 4379/ab*bc/i 4380 ABC 4381 0: ABC 4382 ABBC 4383 0: ABBC 4384 4385/ab*?bc/i 4386 ABBBBC 4387 0: ABBBBC 4388 4389/ab{0,}?bc/i 4390 ABBBBC 4391 0: ABBBBC 4392 4393/ab+?bc/i 4394 ABBC 4395 0: ABBC 4396 4397/ab+bc/i 4398\= Expect no match 4399 ABC 4400No match 4401 ABQ 4402No match 4403 4404/ab{1,}bc/i 4405 4406/ab+bc/i 4407 ABBBBC 4408 0: ABBBBC 4409 4410/ab{1,}?bc/i 4411 ABBBBC 4412 0: ABBBBC 4413 4414/ab{1,3}?bc/i 4415 ABBBBC 4416 0: ABBBBC 4417 4418/ab{3,4}?bc/i 4419 ABBBBC 4420 0: ABBBBC 4421 4422/ab{4,5}?bc/i 4423\= Expect no match 4424 ABQ 4425No match 4426 ABBBBC 4427No match 4428 4429/ab??bc/i 4430 ABBC 4431 0: ABBC 4432 ABC 4433 0: ABC 4434 4435/ab{0,1}?bc/i 4436 ABC 4437 0: ABC 4438 4439/ab??bc/i 4440 4441/ab??c/i 4442 ABC 4443 0: ABC 4444 4445/ab{0,1}?c/i 4446 ABC 4447 0: ABC 4448 4449/^abc$/i 4450 ABC 4451 0: ABC 4452\= Expect no match 4453 ABBBBC 4454No match 4455 ABCC 4456No match 4457 4458/^abc/i 4459 ABCC 4460 0: ABC 4461 4462/^abc$/i 4463 4464/abc$/i 4465 AABC 4466 0: ABC 4467 4468/^/i 4469 ABC 4470 0: 4471 4472/$/i 4473 ABC 4474 0: 4475 4476/a.c/i 4477 ABC 4478 0: ABC 4479 AXC 4480 0: AXC 4481 4482/a.*?c/i 4483 AXYZC 4484 0: AXYZC 4485 4486/a.*c/i 4487 AABC 4488 0: AABC 4489\= Expect no match 4490 AXYZD 4491No match 4492 4493/a[bc]d/i 4494 ABD 4495 0: ABD 4496 4497/a[b-d]e/i 4498 ACE 4499 0: ACE 4500\= Expect no match 4501 ABC 4502No match 4503 ABD 4504No match 4505 4506/a[b-d]/i 4507 AAC 4508 0: AC 4509 4510/a[-b]/i 4511 A- 4512 0: A- 4513 4514/a[b-]/i 4515 A- 4516 0: A- 4517 4518/a]/i 4519 A] 4520 0: A] 4521 4522/a[]]b/i 4523 A]B 4524 0: A]B 4525 4526/a[^bc]d/i 4527 AED 4528 0: AED 4529 4530/a[^-b]c/i 4531 ADC 4532 0: ADC 4533\= Expect no match 4534 ABD 4535No match 4536 A-C 4537No match 4538 4539/a[^]b]c/i 4540 ADC 4541 0: ADC 4542 4543/ab|cd/i 4544 ABC 4545 0: AB 4546 ABCD 4547 0: AB 4548 4549/()ef/i 4550 DEF 4551 0: EF 4552 1: 4553 4554/$b/i 4555\= Expect no match 4556 A]C 4557No match 4558 B 4559No match 4560 4561/a\(b/i 4562 A(B 4563 0: A(B 4564 4565/a\(*b/i 4566 AB 4567 0: AB 4568 A((B 4569 0: A((B 4570 4571/a\\b/i 4572 A\\b 4573 0: A\b 4574 a\\B 4575 0: a\B 4576 4577/((a))/i 4578 ABC 4579 0: A 4580 1: A 4581 2: A 4582 4583/(a)b(c)/i 4584 ABC 4585 0: ABC 4586 1: A 4587 2: C 4588 4589/a+b+c/i 4590 AABBABC 4591 0: ABC 4592 4593/a{1,}b{1,}c/i 4594 AABBABC 4595 0: ABC 4596 4597/a.+?c/i 4598 ABCABC 4599 0: ABC 4600 4601/a.*?c/i 4602 ABCABC 4603 0: ABC 4604 4605/a.{0,5}?c/i 4606 ABCABC 4607 0: ABC 4608 4609/(a+|b)*/i 4610 AB 4611 0: AB 4612 1: B 4613 4614/(a+|b){0,}/i 4615 AB 4616 0: AB 4617 1: B 4618 4619/(a+|b)+/i 4620 AB 4621 0: AB 4622 1: B 4623 4624/(a+|b){1,}/i 4625 AB 4626 0: AB 4627 1: B 4628 4629/(a+|b)?/i 4630 AB 4631 0: A 4632 1: A 4633 4634/(a+|b){0,1}/i 4635 AB 4636 0: A 4637 1: A 4638 4639/(a+|b){0,1}?/i 4640 AB 4641 0: 4642 4643/[^ab]*/i 4644 CDE 4645 0: CDE 4646 4647/([abc])*d/i 4648 ABBBCD 4649 0: ABBBCD 4650 1: C 4651 4652/([abc])*bcd/i 4653 ABCD 4654 0: ABCD 4655 1: A 4656 4657/a|b|c|d|e/i 4658 E 4659 0: E 4660 4661/(a|b|c|d|e)f/i 4662 EF 4663 0: EF 4664 1: E 4665 4666/abcd*efg/i 4667 ABCDEFG 4668 0: ABCDEFG 4669 4670/ab*/i 4671 XABYABBBZ 4672 0: AB 4673 XAYABBBZ 4674 0: A 4675 4676/(ab|cd)e/i 4677 ABCDE 4678 0: CDE 4679 1: CD 4680 4681/[abhgefdc]ij/i 4682 HIJ 4683 0: HIJ 4684 4685/^(ab|cd)e/i 4686\= Expect no match 4687 ABCDE 4688No match 4689 4690/(abc|)ef/i 4691 ABCDEF 4692 0: EF 4693 1: 4694 4695/(a|b)c*d/i 4696 ABCD 4697 0: BCD 4698 1: B 4699 4700/(ab|ab*)bc/i 4701 ABC 4702 0: ABC 4703 1: A 4704 4705/a([bc]*)c*/i 4706 ABC 4707 0: ABC 4708 1: BC 4709 4710/a([bc]*)(c*d)/i 4711 ABCD 4712 0: ABCD 4713 1: BC 4714 2: D 4715 4716/a([bc]+)(c*d)/i 4717 ABCD 4718 0: ABCD 4719 1: BC 4720 2: D 4721 4722/a([bc]*)(c+d)/i 4723 ABCD 4724 0: ABCD 4725 1: B 4726 2: CD 4727 4728/a[bcd]*dcdcde/i 4729 ADCDCDE 4730 0: ADCDCDE 4731 4732/a[bcd]+dcdcde/i 4733 4734/(ab|a)b*c/i 4735 ABC 4736 0: ABC 4737 1: AB 4738 4739/((a)(b)c)(d)/i 4740 ABCD 4741 0: ABCD 4742 1: ABC 4743 2: A 4744 3: B 4745 4: D 4746 4747/[a-zA-Z_][a-zA-Z0-9_]*/i 4748 ALPHA 4749 0: ALPHA 4750 4751/^a(bc+|b[eh])g|.h$/i 4752 ABH 4753 0: BH 4754 4755/(bc+d$|ef*g.|h?i(j|k))/i 4756 EFFGZ 4757 0: EFFGZ 4758 1: EFFGZ 4759 IJ 4760 0: IJ 4761 1: IJ 4762 2: J 4763 REFFGZ 4764 0: EFFGZ 4765 1: EFFGZ 4766\= Expect no match 4767 ADCDCDE 4768No match 4769 EFFG 4770No match 4771 BCDD 4772No match 4773 4774/((((((((((a))))))))))/i 4775 A 4776 0: A 4777 1: A 4778 2: A 4779 3: A 4780 4: A 4781 5: A 4782 6: A 4783 7: A 4784 8: A 4785 9: A 478610: A 4787 4788/((((((((((a))))))))))\10/i 4789 AA 4790 0: AA 4791 1: A 4792 2: A 4793 3: A 4794 4: A 4795 5: A 4796 6: A 4797 7: A 4798 8: A 4799 9: A 480010: A 4801 4802/(((((((((a)))))))))/i 4803 A 4804 0: A 4805 1: A 4806 2: A 4807 3: A 4808 4: A 4809 5: A 4810 6: A 4811 7: A 4812 8: A 4813 9: A 4814 4815/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i 4816 A 4817 0: A 4818 1: A 4819 4820/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i 4821 C 4822 0: C 4823 1: C 4824 4825/multiple words of text/i 4826\= Expect no match 4827 AA 4828No match 4829 UH-UH 4830No match 4831 4832/multiple words/i 4833 MULTIPLE WORDS, YEAH 4834 0: MULTIPLE WORDS 4835 4836/(.*)c(.*)/i 4837 ABCDE 4838 0: ABCDE 4839 1: AB 4840 2: DE 4841 4842/\((.*), (.*)\)/i 4843 (A, B) 4844 0: (A, B) 4845 1: A 4846 2: B 4847 4848/[k]/i 4849 4850/abcd/i 4851 ABCD 4852 0: ABCD 4853 4854/a(bc)d/i 4855 ABCD 4856 0: ABCD 4857 1: BC 4858 4859/a[-]?c/i 4860 AC 4861 0: AC 4862 4863/(abc)\1/i 4864 ABCABC 4865 0: ABCABC 4866 1: ABC 4867 4868/([a-c]*)\1/i 4869 ABCABC 4870 0: ABCABC 4871 1: ABC 4872 4873/a(?!b)./ 4874 abad 4875 0: ad 4876 4877/a(?=d)./ 4878 abad 4879 0: ad 4880 4881/a(?=c|d)./ 4882 abad 4883 0: ad 4884 4885/a(?:b|c|d)(.)/ 4886 ace 4887 0: ace 4888 1: e 4889 4890/a(?:b|c|d)*(.)/ 4891 ace 4892 0: ace 4893 1: e 4894 4895/a(?:b|c|d)+?(.)/ 4896 ace 4897 0: ace 4898 1: e 4899 acdbcdbe 4900 0: acd 4901 1: d 4902 4903/a(?:b|c|d)+(.)/ 4904 acdbcdbe 4905 0: acdbcdbe 4906 1: e 4907 4908/a(?:b|c|d){2}(.)/ 4909 acdbcdbe 4910 0: acdb 4911 1: b 4912 4913/a(?:b|c|d){4,5}(.)/ 4914 acdbcdbe 4915 0: acdbcdb 4916 1: b 4917 4918/a(?:b|c|d){4,5}?(.)/ 4919 acdbcdbe 4920 0: acdbcd 4921 1: d 4922 4923/((foo)|(bar))*/ 4924 foobar 4925 0: foobar 4926 1: bar 4927 2: foo 4928 3: bar 4929 4930/a(?:b|c|d){6,7}(.)/ 4931 acdbcdbe 4932 0: acdbcdbe 4933 1: e 4934 4935/a(?:b|c|d){6,7}?(.)/ 4936 acdbcdbe 4937 0: acdbcdbe 4938 1: e 4939 4940/a(?:b|c|d){5,6}(.)/ 4941 acdbcdbe 4942 0: acdbcdbe 4943 1: e 4944 4945/a(?:b|c|d){5,6}?(.)/ 4946 acdbcdbe 4947 0: acdbcdb 4948 1: b 4949 4950/a(?:b|c|d){5,7}(.)/ 4951 acdbcdbe 4952 0: acdbcdbe 4953 1: e 4954 4955/a(?:b|c|d){5,7}?(.)/ 4956 acdbcdbe 4957 0: acdbcdb 4958 1: b 4959 4960/a(?:b|(c|e){1,2}?|d)+?(.)/ 4961 ace 4962 0: ace 4963 1: c 4964 2: e 4965 4966/^(.+)?B/ 4967 AB 4968 0: AB 4969 1: A 4970 4971/^([^a-z])|(\^)$/ 4972 . 4973 0: . 4974 1: . 4975 4976/^[<>]&/ 4977 <&OUT 4978 0: <& 4979 4980/^(a\1?){4}$/ 4981 aaaaaaaaaa 4982 0: aaaaaaaaaa 4983 1: aaaa 4984\= Expect no match 4985 AB 4986No match 4987 aaaaaaaaa 4988No match 4989 aaaaaaaaaaa 4990No match 4991 4992/^(a(?(1)\1)){4}$/ 4993 aaaaaaaaaa 4994 0: aaaaaaaaaa 4995 1: aaaa 4996\= Expect no match 4997 aaaaaaaaa 4998No match 4999 aaaaaaaaaaa 5000No match 5001 5002/(?:(f)(o)(o)|(b)(a)(r))*/ 5003 foobar 5004 0: foobar 5005 1: f 5006 2: o 5007 3: o 5008 4: b 5009 5: a 5010 6: r 5011 5012/(?<=a)b/ 5013 ab 5014 0: b 5015\= Expect no match 5016 cb 5017No match 5018 b 5019No match 5020 5021/(?<!c)b/ 5022 ab 5023 0: b 5024 b 5025 0: b 5026 b 5027 0: b 5028 5029/(?:..)*a/ 5030 aba 5031 0: aba 5032 5033/(?:..)*?a/ 5034 aba 5035 0: a 5036 5037/^(?:b|a(?=(.)))*\1/ 5038 abc 5039 0: ab 5040 1: b 5041 5042/^(){3,5}/ 5043 abc 5044 0: 5045 1: 5046 5047/^(a+)*ax/ 5048 aax 5049 0: aax 5050 1: a 5051 5052/^((a|b)+)*ax/ 5053 aax 5054 0: aax 5055 1: a 5056 2: a 5057 5058/^((a|bc)+)*ax/ 5059 aax 5060 0: aax 5061 1: a 5062 2: a 5063 5064/(a|x)*ab/ 5065 cab 5066 0: ab 5067 5068/(a)*ab/ 5069 cab 5070 0: ab 5071 5072/(?:(?i)a)b/ 5073 ab 5074 0: ab 5075 5076/((?i)a)b/ 5077 ab 5078 0: ab 5079 1: a 5080 5081/(?:(?i)a)b/ 5082 Ab 5083 0: Ab 5084 5085/((?i)a)b/ 5086 Ab 5087 0: Ab 5088 1: A 5089 5090/(?:(?i)a)b/ 5091\= Expect no match 5092 cb 5093No match 5094 aB 5095No match 5096 5097/((?i)a)b/ 5098 5099/(?i:a)b/ 5100 ab 5101 0: ab 5102 5103/((?i:a))b/ 5104 ab 5105 0: ab 5106 1: a 5107 5108/(?i:a)b/ 5109 Ab 5110 0: Ab 5111 5112/((?i:a))b/ 5113 Ab 5114 0: Ab 5115 1: A 5116 5117/(?i:a)b/ 5118\= Expect no match 5119 aB 5120No match 5121 aB 5122No match 5123 5124/((?i:a))b/ 5125 5126/(?:(?-i)a)b/i 5127 ab 5128 0: ab 5129 5130/((?-i)a)b/i 5131 ab 5132 0: ab 5133 1: a 5134 5135/(?:(?-i)a)b/i 5136 aB 5137 0: aB 5138 5139/((?-i)a)b/i 5140 aB 5141 0: aB 5142 1: a 5143 5144/(?:(?-i)a)b/i 5145 aB 5146 0: aB 5147\= Expect no match 5148 Ab 5149No match 5150 AB 5151No match 5152 5153/(?-i:a)b/i 5154 ab 5155 0: ab 5156 5157/((?-i:a))b/i 5158 ab 5159 0: ab 5160 1: a 5161 5162/(?-i:a)b/i 5163 aB 5164 0: aB 5165 5166/((?-i:a))b/i 5167 aB 5168 0: aB 5169 1: a 5170 5171/(?-i:a)b/i 5172\= Expect no match 5173 AB 5174No match 5175 Ab 5176No match 5177 5178/((?-i:a))b/i 5179 5180/(?-i:a)b/i 5181 aB 5182 0: aB 5183 5184/((?-i:a))b/i 5185 aB 5186 0: aB 5187 1: a 5188 5189/(?-i:a)b/i 5190\= Expect no match 5191 Ab 5192No match 5193 AB 5194No match 5195 5196/((?-i:a))b/i 5197 5198/((?-i:a.))b/i 5199\= Expect no match 5200 AB 5201No match 5202 a\nB 5203No match 5204 5205/((?s-i:a.))b/i 5206 a\nB 5207 0: a\x0aB 5208 1: a\x0a 5209 5210/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/ 5211 cabbbb 5212 0: cabbbb 5213 5214/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/ 5215 caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb 5216 0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb 5217 5218/(ab)\d\1/i 5219 Ab4ab 5220 0: Ab4ab 5221 1: Ab 5222 ab4Ab 5223 0: ab4Ab 5224 1: ab 5225 5226/foo\w*\d{4}baz/ 5227 foobar1234baz 5228 0: foobar1234baz 5229 5230/x(~~)*(?:(?:F)?)?/ 5231 x~~ 5232 0: x~~ 5233 1: ~~ 5234 5235/^a(?#xxx){3}c/ 5236 aaac 5237 0: aaac 5238 5239/^a (?#xxx) (?#yyy) {3}c/x 5240 aaac 5241 0: aaac 5242 5243/(?<![cd])b/ 5244\= Expect no match 5245 B\nB 5246No match 5247 dbcb 5248No match 5249 5250/(?<![cd])[ab]/ 5251 dbaacb 5252 0: a 5253 5254/(?<!(c|d))b/ 5255 5256/(?<!(c|d))[ab]/ 5257 dbaacb 5258 0: a 5259 5260/(?<!cd)[ab]/ 5261 cdaccb 5262 0: b 5263 5264/^(?:a?b?)*$/ 5265 \ 5266 0: 5267 a 5268 0: a 5269 ab 5270 0: ab 5271 aaa 5272 0: aaa 5273\= Expect no match 5274 dbcb 5275No match 5276 a-- 5277No match 5278 aa-- 5279No match 5280 5281/((?s)^a(.))((?m)^b$)/ 5282 a\nb\nc\n 5283 0: a\x0ab 5284 1: a\x0a 5285 2: \x0a 5286 3: b 5287 5288/((?m)^b$)/ 5289 a\nb\nc\n 5290 0: b 5291 1: b 5292 5293/(?m)^b/ 5294 a\nb\n 5295 0: b 5296 5297/(?m)^(b)/ 5298 a\nb\n 5299 0: b 5300 1: b 5301 5302/((?m)^b)/ 5303 a\nb\n 5304 0: b 5305 1: b 5306 5307/\n((?m)^b)/ 5308 a\nb\n 5309 0: \x0ab 5310 1: b 5311 5312/((?s).)c(?!.)/ 5313 a\nb\nc\n 5314 0: \x0ac 5315 1: \x0a 5316 a\nb\nc\n 5317 0: \x0ac 5318 1: \x0a 5319 5320/((?s)b.)c(?!.)/ 5321 a\nb\nc\n 5322 0: b\x0ac 5323 1: b\x0a 5324 a\nb\nc\n 5325 0: b\x0ac 5326 1: b\x0a 5327 5328/^b/ 5329 5330/()^b/ 5331\= Expect no match 5332 a\nb\nc\n 5333No match 5334 a\nb\nc\n 5335No match 5336 5337/((?m)^b)/ 5338 a\nb\nc\n 5339 0: b 5340 1: b 5341 5342/(x)?(?(1)a|b)/ 5343\= Expect no match 5344 a 5345No match 5346 a 5347No match 5348 5349/(x)?(?(1)b|a)/ 5350 a 5351 0: a 5352 5353/()?(?(1)b|a)/ 5354 a 5355 0: a 5356 5357/()(?(1)b|a)/ 5358 5359/()?(?(1)a|b)/ 5360 a 5361 0: a 5362 1: 5363 5364/^(\()?blah(?(1)(\)))$/ 5365 (blah) 5366 0: (blah) 5367 1: ( 5368 2: ) 5369 blah 5370 0: blah 5371\= Expect no match 5372 a 5373No match 5374 blah) 5375No match 5376 (blah 5377No match 5378 5379/^(\(+)?blah(?(1)(\)))$/ 5380 (blah) 5381 0: (blah) 5382 1: ( 5383 2: ) 5384 blah 5385 0: blah 5386\= Expect no match 5387 blah) 5388No match 5389 (blah 5390No match 5391 5392/(?(?!a)a|b)/ 5393 5394/(?(?!a)b|a)/ 5395 a 5396 0: a 5397 5398/(?(?=a)b|a)/ 5399\= Expect no match 5400 a 5401No match 5402 a 5403No match 5404 5405/(?(?=a)a|b)/ 5406 a 5407 0: a 5408 5409/(?=(a+?))(\1ab)/ 5410 aaab 5411 0: aab 5412 1: a 5413 2: aab 5414 5415/^(?=(a+?))\1ab/ 5416 5417/(\w+:)+/ 5418 one: 5419 0: one: 5420 1: one: 5421 5422/$(?<=^(a))/ 5423 a 5424 0: 5425 1: a 5426 5427/(?=(a+?))(\1ab)/ 5428 aaab 5429 0: aab 5430 1: a 5431 2: aab 5432 5433/^(?=(a+?))\1ab/ 5434\= Expect no match 5435 aaab 5436No match 5437 aaab 5438No match 5439 5440/([\w:]+::)?(\w+)$/ 5441 abcd 5442 0: abcd 5443 1: <unset> 5444 2: abcd 5445 xy:z:::abcd 5446 0: xy:z:::abcd 5447 1: xy:z::: 5448 2: abcd 5449 5450/^[^bcd]*(c+)/ 5451 aexycd 5452 0: aexyc 5453 1: c 5454 5455/(a*)b+/ 5456 caab 5457 0: aab 5458 1: aa 5459 5460/([\w:]+::)?(\w+)$/ 5461 abcd 5462 0: abcd 5463 1: <unset> 5464 2: abcd 5465 xy:z:::abcd 5466 0: xy:z:::abcd 5467 1: xy:z::: 5468 2: abcd 5469\= Expect no match 5470 abcd: 5471No match 5472 abcd: 5473No match 5474 5475/^[^bcd]*(c+)/ 5476 aexycd 5477 0: aexyc 5478 1: c 5479 5480/(>a+)ab/ 5481 5482/(?>a+)b/ 5483 aaab 5484 0: aaab 5485 5486/([[:]+)/ 5487 a:[b]: 5488 0: :[ 5489 1: :[ 5490 5491/([[=]+)/ 5492 a=[b]= 5493 0: =[ 5494 1: =[ 5495 5496/([[.]+)/ 5497 a.[b]. 5498 0: .[ 5499 1: .[ 5500 5501/((?>a+)b)/ 5502 aaab 5503 0: aaab 5504 1: aaab 5505 5506/(?>(a+))b/ 5507 aaab 5508 0: aaab 5509 1: aaa 5510 5511/((?>[^()]+)|\([^()]*\))+/ 5512 ((abc(ade)ufh()()x 5513 0: abc(ade)ufh()()x 5514 1: x 5515 5516/a\Z/ 5517\= Expect no match 5518 aaab 5519No match 5520 a\nb\n 5521No match 5522 5523/b\Z/ 5524 a\nb\n 5525 0: b 5526 5527/b\z/ 5528 5529/b\Z/ 5530 a\nb 5531 0: b 5532 5533/b\z/ 5534 a\nb 5535 0: b 5536 5537/^(?>(?(1)\.|())[^\W_](?>[a-z0-9-]*[^\W_])?)+$/ 5538 a 5539 0: a 5540 1: 5541 abc 5542 0: abc 5543 1: 5544 a-b 5545 0: a-b 5546 1: 5547 0-9 5548 0: 0-9 5549 1: 5550 a.b 5551 0: a.b 5552 1: 5553 5.6.7 5554 0: 5.6.7 5555 1: 5556 the.quick.brown.fox 5557 0: the.quick.brown.fox 5558 1: 5559 a100.b200.300c 5560 0: a100.b200.300c 5561 1: 5562 12-ab.1245 5563 0: 12-ab.1245 5564 1: 5565\= Expect no match 5566 \ 5567No match 5568 .a 5569No match 5570 -a 5571No match 5572 a- 5573No match 5574 a. 5575No match 5576 a_b 5577No match 5578 a.- 5579No match 5580 a.. 5581No match 5582 ab..bc 5583No match 5584 the.quick.brown.fox- 5585No match 5586 the.quick.brown.fox. 5587No match 5588 the.quick.brown.fox_ 5589No match 5590 the.quick.brown.fox+ 5591No match 5592 5593/(?>.*)(?<=(abcd|wxyz))/ 5594 alphabetabcd 5595 0: alphabetabcd 5596 1: abcd 5597 endingwxyz 5598 0: endingwxyz 5599 1: wxyz 5600\= Expect no match 5601 a rather long string that doesn't end with one of them 5602No match 5603 5604/word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/ 5605 word cat dog elephant mussel cow horse canary baboon snake shark otherword 5606 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword 5607\= Expect no match 5608 word cat dog elephant mussel cow horse canary baboon snake shark 5609No match 5610 5611/word (?>[a-zA-Z0-9]+ ){0,30}otherword/ 5612\= Expect no match 5613 word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope 5614No match 5615 5616/(?<=\d{3}(?!999))foo/ 5617 999foo 5618 0: foo 5619 123999foo 5620 0: foo 5621\= Expect no match 5622 123abcfoo 5623No match 5624 5625/(?<=(?!...999)\d{3})foo/ 5626 999foo 5627 0: foo 5628 123999foo 5629 0: foo 5630\= Expect no match 5631 123abcfoo 5632No match 5633 5634/(?<=\d{3}(?!999)...)foo/ 5635 123abcfoo 5636 0: foo 5637 123456foo 5638 0: foo 5639\= Expect no match 5640 123999foo 5641No match 5642 5643/(?<=\d{3}...)(?<!999)foo/ 5644 123abcfoo 5645 0: foo 5646 123456foo 5647 0: foo 5648\= Expect no match 5649 123999foo 5650No match 5651 5652/<a[\s]+href[\s]*=[\s]* # find <a href= 5653 ([\"\'])? # find single or double quote 5654 (?(1) (.*?)\1 | ([^\s]+)) # if quote found, match up to next matching 5655 # quote, otherwise match up to next space 5656/isx 5657 <a href=abcd xyz 5658 0: <a href=abcd 5659 1: <unset> 5660 2: <unset> 5661 3: abcd 5662 <a href=\"abcd xyz pqr\" cats 5663 0: <a href="abcd xyz pqr" 5664 1: " 5665 2: abcd xyz pqr 5666 <a href=\'abcd xyz pqr\' cats 5667 0: <a href='abcd xyz pqr' 5668 1: ' 5669 2: abcd xyz pqr 5670 5671/<a\s+href\s*=\s* # find <a href= 5672 (["'])? # find single or double quote 5673 (?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching 5674 # quote, otherwise match up to next space 5675/isx 5676 <a href=abcd xyz 5677 0: <a href=abcd 5678 1: <unset> 5679 2: <unset> 5680 3: abcd 5681 <a href=\"abcd xyz pqr\" cats 5682 0: <a href="abcd xyz pqr" 5683 1: " 5684 2: abcd xyz pqr 5685 <a href = \'abcd xyz pqr\' cats 5686 0: <a href = 'abcd xyz pqr' 5687 1: ' 5688 2: abcd xyz pqr 5689 5690/<a\s+href(?>\s*)=(?>\s*) # find <a href= 5691 (["'])? # find single or double quote 5692 (?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching 5693 # quote, otherwise match up to next space 5694/isx 5695 <a href=abcd xyz 5696 0: <a href=abcd 5697 1: <unset> 5698 2: <unset> 5699 3: abcd 5700 <a href=\"abcd xyz pqr\" cats 5701 0: <a href="abcd xyz pqr" 5702 1: " 5703 2: abcd xyz pqr 5704 <a href = \'abcd xyz pqr\' cats 5705 0: <a href = 'abcd xyz pqr' 5706 1: ' 5707 2: abcd xyz pqr 5708 5709/((Z)+|A)*/ 5710 ZABCDEFG 5711 0: ZA 5712 1: A 5713 2: Z 5714 5715/(Z()|A)*/ 5716 ZABCDEFG 5717 0: ZA 5718 1: A 5719 2: 5720 5721/(Z(())|A)*/ 5722 ZABCDEFG 5723 0: ZA 5724 1: A 5725 2: 5726 3: 5727 5728/((?>Z)+|A)*/ 5729 ZABCDEFG 5730 0: ZA 5731 1: A 5732 5733/((?>)+|A)*/ 5734 ZABCDEFG 5735 0: 5736 1: 5737 5738/a*/g 5739 abbab 5740 0: a 5741 0: 5742 0: 5743 0: a 5744 0: 5745 0: 5746 5747/[[:space:]]+/ 5748 > \x09\x0a\x0c\x0d\x0b< 5749 0: \x09\x0a\x0c\x0d\x0b 5750 5751/[[:blank:]]+/ 5752 > \x09\x0a\x0c\x0d\x0b< 5753 0: \x09 5754 5755/[\s]+/ 5756 > \x09\x0a\x0c\x0d\x0b< 5757 0: \x09\x0a\x0c\x0d\x0b 5758 5759/\s+/ 5760 > \x09\x0a\x0c\x0d\x0b< 5761 0: \x09\x0a\x0c\x0d\x0b 5762 5763/a b/x 5764 ab 5765 0: ab 5766 5767/(?!\A)x/m 5768 a\nxb\n 5769 0: x 5770 5771/(?!^)x/m 5772\= Expect no match 5773 a\nxb\n 5774No match 5775 5776/abc\Qabc\Eabc/ 5777 abcabcabc 5778 0: abcabcabc 5779 5780/abc\Q(*+|\Eabc/ 5781 abc(*+|abc 5782 0: abc(*+|abc 5783 5784/ abc\Q abc\Eabc/x 5785 abc abcabc 5786 0: abc abcabc 5787\= Expect no match 5788 abcabcabc 5789No match 5790 5791/abc#comment 5792 \Q#not comment 5793 literal\E/x 5794 abc#not comment\n literal 5795 0: abc#not comment\x0a literal 5796 5797/abc#comment 5798 \Q#not comment 5799 literal/x 5800 abc#not comment\n literal 5801 0: abc#not comment\x0a literal 5802 5803/abc#comment 5804 \Q#not comment 5805 literal\E #more comment 5806 /x 5807 abc#not comment\n literal 5808 0: abc#not comment\x0a literal 5809 5810/abc#comment 5811 \Q#not comment 5812 literal\E #more comment/x 5813 abc#not comment\n literal 5814 0: abc#not comment\x0a literal 5815 5816/\Qabc\$xyz\E/ 5817 abc\\\$xyz 5818 0: abc\$xyz 5819 5820/\Qabc\E\$\Qxyz\E/ 5821 abc\$xyz 5822 0: abc$xyz 5823 5824/\Gabc/ 5825 abc 5826 0: abc 5827\= Expect no match 5828 xyzabc 5829No match 5830 5831/\Gabc./g 5832 abc1abc2xyzabc3 5833 0: abc1 5834 0: abc2 5835 5836/abc./g 5837 abc1abc2xyzabc3 5838 0: abc1 5839 0: abc2 5840 0: abc3 5841 5842/a(?x: b c )d/ 5843 XabcdY 5844 0: abcd 5845\= Expect no match 5846 Xa b c d Y 5847No match 5848 5849/((?x)x y z | a b c)/ 5850 XabcY 5851 0: abc 5852 1: abc 5853 AxyzB 5854 0: xyz 5855 1: xyz 5856 5857/(?i)AB(?-i)C/ 5858 XabCY 5859 0: abC 5860\= Expect no match 5861 XabcY 5862No match 5863 5864/((?i)AB(?-i)C|D)E/ 5865 abCE 5866 0: abCE 5867 1: abC 5868 DE 5869 0: DE 5870 1: D 5871\= Expect no match 5872 abcE 5873No match 5874 abCe 5875No match 5876 dE 5877No match 5878 De 5879No match 5880 5881/(.*)\d+\1/ 5882 abc123abc 5883 0: abc123abc 5884 1: abc 5885 abc123bc 5886 0: bc123bc 5887 1: bc 5888 5889/(.*)\d+\1/s 5890 abc123abc 5891 0: abc123abc 5892 1: abc 5893 abc123bc 5894 0: bc123bc 5895 1: bc 5896 5897/((.*))\d+\1/ 5898 abc123abc 5899 0: abc123abc 5900 1: abc 5901 2: abc 5902 abc123bc 5903 0: bc123bc 5904 1: bc 5905 2: bc 5906 5907# This tests for an IPv6 address in the form where it can have up to 5908# eight components, one and only one of which is empty. This must be 5909# an internal component. 5910 5911/^(?!:) # colon disallowed at start 5912 (?: # start of item 5913 (?: [0-9a-f]{1,4} | # 1-4 hex digits or 5914 (?(1)0 | () ) ) # if null previously matched, fail; else null 5915 : # followed by colon 5916 ){1,7} # end item; 1-7 of them required 5917 [0-9a-f]{1,4} $ # final hex number at end of string 5918 (?(1)|.) # check that there was an empty component 5919 /ix 5920 a123::a123 5921 0: a123::a123 5922 1: 5923 a123:b342::abcd 5924 0: a123:b342::abcd 5925 1: 5926 a123:b342::324e:abcd 5927 0: a123:b342::324e:abcd 5928 1: 5929 a123:ddde:b342::324e:abcd 5930 0: a123:ddde:b342::324e:abcd 5931 1: 5932 a123:ddde:b342::324e:dcba:abcd 5933 0: a123:ddde:b342::324e:dcba:abcd 5934 1: 5935 a123:ddde:9999:b342::324e:dcba:abcd 5936 0: a123:ddde:9999:b342::324e:dcba:abcd 5937 1: 5938\= Expect no match 5939 1:2:3:4:5:6:7:8 5940No match 5941 a123:bce:ddde:9999:b342::324e:dcba:abcd 5942No match 5943 a123::9999:b342::324e:dcba:abcd 5944No match 5945 abcde:2:3:4:5:6:7:8 5946No match 5947 ::1 5948No match 5949 abcd:fee0:123:: 5950No match 5951 :1 5952No match 5953 1: 5954No match 5955 5956/[z\Qa-d]\E]/ 5957 z 5958 0: z 5959 a 5960 0: a 5961 - 5962 0: - 5963 d 5964 0: d 5965 ] 5966 0: ] 5967\= Expect no match 5968 b 5969No match 5970 5971/(a+)*b/ 5972\= Expect no match 5973 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 5974No match 5975 5976/(?i)reg(?:ul(?:[a�]|ae)r|ex)/ 5977 REGular 5978 0: REGular 5979 regulaer 5980 0: regulaer 5981 Regex 5982 0: Regex 5983 regul�r 5984 0: regul\xe4r 5985 5986/����[�-��-�]+/ 5987 ����� 5988 0: \xc5\xe6\xe5\xe4\xe0 5989 ����� 5990 0: \xc5\xe6\xe5\xe4\xff 5991 ����� 5992 0: \xc5\xe6\xe5\xe4\xc0 5993 ����� 5994 0: \xc5\xe6\xe5\xe4\xdf 5995 5996/(?<=Z)X./ 5997 \x84XAZXB 5998 0: XB 5999 6000/ab cd (?x) de fg/ 6001 ab cd defg 6002 0: ab cd defg 6003 6004/ab cd(?x) de fg/ 6005 ab cddefg 6006 0: ab cddefg 6007\= Expect no match 6008 abcddefg 6009No match 6010 6011/(?<![^f]oo)(bar)/ 6012 foobarX 6013 0: bar 6014 1: bar 6015\= Expect no match 6016 boobarX 6017No match 6018 6019/(?<![^f])X/ 6020 offX 6021 0: X 6022\= Expect no match 6023 onyX 6024No match 6025 6026/(?<=[^f])X/ 6027 onyX 6028 0: X 6029\= Expect no match 6030 offX 6031No match 6032 6033/^/gm 6034 a\nb\nc\n 6035 0: 6036 0: 6037 0: 6038 \ 6039 0: 6040 6041/(?<=C\n)^/gm 6042 A\nC\nC\n 6043 0: 6044 6045/(?:(?(1)a|b)(X))+/ 6046 bXaX 6047 0: bXaX 6048 1: X 6049 6050/(?:(?(1)\1a|b)(X|Y))+/ 6051 bXXaYYaY 6052 0: bXXaYYaY 6053 1: Y 6054 bXYaXXaX 6055 0: bX 6056 1: X 6057 6058/()()()()()()()()()(?:(?(10)\10a|b)(X|Y))+/ 6059 bXXaYYaY 6060 0: bX 6061 1: 6062 2: 6063 3: 6064 4: 6065 5: 6066 6: 6067 7: 6068 8: 6069 9: 607010: X 6071 6072/[[,abc,]+]/ 6073 abc] 6074 0: abc] 6075 a,b] 6076 0: a,b] 6077 [a,b,c] 6078 0: [a,b,c] 6079 6080/(?-x: )/x 6081 A\x20B 6082 0: 6083 6084"(?x)(?-x: \s*#\s*)" 6085 A # B 6086 0: # 6087\= Expect no match 6088 # 6089No match 6090 6091"(?x-is)(?:(?-ixs) \s*#\s*) include" 6092 A #include 6093 0: #include 6094\= Expect no match 6095 A#include 6096No match 6097 A #Include 6098No match 6099 6100/a*b*\w/ 6101 aaabbbb 6102 0: aaabbbb 6103 aaaa 6104 0: aaaa 6105 a 6106 0: a 6107 6108/a*b?\w/ 6109 aaabbbb 6110 0: aaabb 6111 aaaa 6112 0: aaaa 6113 a 6114 0: a 6115 6116/a*b{0,4}\w/ 6117 aaabbbb 6118 0: aaabbbb 6119 aaaa 6120 0: aaaa 6121 a 6122 0: a 6123 6124/a*b{0,}\w/ 6125 aaabbbb 6126 0: aaabbbb 6127 aaaa 6128 0: aaaa 6129 a 6130 0: a 6131 6132/a*\d*\w/ 6133 0a 6134 0: 0a 6135 a 6136 0: a 6137 6138/a*b *\w/x 6139 a 6140 0: a 6141 6142/a*b#comment 6143 *\w/x 6144 a 6145 0: a 6146 6147/a* b *\w/x 6148 a 6149 0: a 6150 6151/^\w+=.*(\\\n.*)*/ 6152 abc=xyz\\\npqr 6153 0: abc=xyz\ 6154 6155/(?=(\w+))\1:/ 6156 abcd: 6157 0: abcd: 6158 1: abcd 6159 6160/^(?=(\w+))\1:/ 6161 abcd: 6162 0: abcd: 6163 1: abcd 6164 6165/^\Eabc/ 6166 abc 6167 0: abc 6168 6169/^[\Eabc]/ 6170 a 6171 0: a 6172\= Expect no match 6173 E 6174No match 6175 6176/^[a-\Ec]/ 6177 b 6178 0: b 6179\= Expect no match 6180 - 6181No match 6182 E 6183No match 6184 6185/^[a\E\E-\Ec]/ 6186 b 6187 0: b 6188\= Expect no match 6189 - 6190No match 6191 E 6192No match 6193 6194/^[\E\Qa\E-\Qz\E]+/ 6195 b 6196 0: b 6197\= Expect no match 6198 - 6199No match 6200 6201/^[a\Q]bc\E]/ 6202 a 6203 0: a 6204 ] 6205 0: ] 6206 c 6207 0: c 6208 6209/^[a-\Q\E]/ 6210 a 6211 0: a 6212 - 6213 0: - 6214 6215/^(a()*)*/ 6216 aaaa 6217 0: aaaa 6218 1: a 6219 2: 6220 6221/^(?:a(?:(?:))*)*/ 6222 aaaa 6223 0: aaaa 6224 6225/^(a()+)+/ 6226 aaaa 6227 0: aaaa 6228 1: a 6229 2: 6230 6231/^(?:a(?:(?:))+)+/ 6232 aaaa 6233 0: aaaa 6234 6235/(a){0,3}(?(1)b|(c|))*D/ 6236 abbD 6237 0: abbD 6238 1: a 6239 ccccD 6240 0: ccccD 6241 1: <unset> 6242 2: 6243 D 6244 0: D 6245 1: <unset> 6246 2: 6247 6248/(a|)*\d/ 6249 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6250 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6251 1: 6252\= Expect no match 6253 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 6254No match 6255 6256/(?>a|)*\d/ 6257 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6258 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6259\= Expect no match 6260 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 6261No match 6262 6263/(?:a|)*\d/ 6264 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6265 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 6266\= Expect no match 6267 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 6268No match 6269 6270/\Z/g 6271 abc\n 6272 0: 6273 0: 6274 6275/^(?s)(?>.*)(?<!\n)/ 6276 abc 6277 0: abc 6278\= Expect no match 6279 abc\n 6280No match 6281 6282/^(?![^\n]*\n\z)/ 6283 abc 6284 0: 6285\= Expect no match 6286 abc\n 6287No match 6288 6289/\z(?<!\n)/ 6290 abc 6291 0: 6292\= Expect no match 6293 abc\n 6294No match 6295 6296/(.*(.)?)*/ 6297 abcd 6298 0: abcd 6299 1: 6300 6301/( (A | (?(1)0|) )* )/x 6302 abcd 6303 0: 6304 1: 6305 2: 6306 6307/( ( (?(1)0|) )* )/x 6308 abcd 6309 0: 6310 1: 6311 2: 6312 6313/( (?(1)0|)* )/x 6314 abcd 6315 0: 6316 1: 6317 6318/[[:abcd:xyz]]/ 6319 a] 6320 0: a] 6321 :] 6322 0: :] 6323 6324/[abc[:x\]pqr]/ 6325 a 6326 0: a 6327 [ 6328 0: [ 6329 : 6330 0: : 6331 ] 6332 0: ] 6333 p 6334 0: p 6335 6336/.*[op][xyz]/ 6337\= Expect no match 6338 fooabcfoo 6339No match 6340 6341/(?(?=.*b)b|^)/ 6342 adc 6343 0: 6344 abc 6345 0: b 6346 6347/(?(?=^.*b)b|^)/ 6348 adc 6349 0: 6350\= Expect no match 6351 abc 6352No match 6353 6354/(?(?=.*b)b|^)*/ 6355 adc 6356 0: 6357 abc 6358 0: 6359 6360/(?(?=.*b)b|^)+/ 6361 adc 6362 0: 6363 abc 6364 0: b 6365 6366/(?(?=b).*b|^d)/ 6367 abc 6368 0: b 6369 6370/(?(?=.*b).*b|^d)/ 6371 abc 6372 0: ab 6373 6374/^%((?(?=[a])[^%])|b)*%$/ 6375 %ab% 6376 0: %ab% 6377 1: 6378 6379/(?i)a(?-i)b|c/ 6380 XabX 6381 0: ab 6382 XAbX 6383 0: Ab 6384 CcC 6385 0: c 6386\= Expect no match 6387 XABX 6388No match 6389 6390/[\x00-\xff\s]+/ 6391 \x0a\x0b\x0c\x0d 6392 0: \x0a\x0b\x0c\x0d 6393 6394/(abc)\1/i 6395\= Expect no match 6396 abc 6397No match 6398 6399/(abc)\1/ 6400\= Expect no match 6401 abc 6402No match 6403 6404/[^a]*/i 6405 12abc 6406 0: 12 6407 12ABC 6408 0: 12 6409 6410/[^a]*+/i 6411 12abc 6412 0: 12 6413 12ABC 6414 0: 12 6415 6416/[^a]*?X/i 6417\= Expect no match 6418 12abc 6419No match 6420 12ABC 6421No match 6422 6423/[^a]+?X/i 6424\= Expect no match 6425 12abc 6426No match 6427 12ABC 6428No match 6429 6430/[^a]?X/i 6431 12aXbcX 6432 0: X 6433 12AXBCX 6434 0: X 6435 BCX 6436 0: CX 6437 6438/[^a]??X/i 6439 12aXbcX 6440 0: X 6441 12AXBCX 6442 0: X 6443 BCX 6444 0: CX 6445 6446/[^a]?+X/i 6447 12aXbcX 6448 0: cX 6449 12AXBCX 6450 0: CX 6451 BCX 6452 0: CX 6453 6454/[^a]{2,3}/i 6455 abcdef 6456 0: bcd 6457 ABCDEF 6458 0: BCD 6459 6460/[^a]{2,3}?/i 6461 abcdef 6462 0: bc 6463 ABCDEF 6464 0: BC 6465 6466/[^a]{2,3}+/i 6467 abcdef 6468 0: bcd 6469 ABCDEF 6470 0: BCD 6471 6472/((a|)+)+Z/ 6473 Z 6474 0: Z 6475 1: 6476 2: 6477 6478/(a)b|(a)c/ 6479 ac 6480 0: ac 6481 1: <unset> 6482 2: a 6483 6484/(?>(a))b|(a)c/ 6485 ac 6486 0: ac 6487 1: <unset> 6488 2: a 6489 6490/(?=(a))ab|(a)c/ 6491 ac 6492 0: ac 6493 1: <unset> 6494 2: a 6495 6496/((?>(a))b|(a)c)/ 6497 ac 6498 0: ac 6499 1: ac 6500 2: <unset> 6501 3: a 6502 6503/((?>(a))b|(a)c)++/ 6504 ac 6505 0: ac 6506 1: ac 6507 2: <unset> 6508 3: a 6509 6510/(?:(?>(a))b|(a)c)++/ 6511 ac 6512 0: ac 6513 1: <unset> 6514 2: a 6515 6516/(?=(?>(a))b|(a)c)(..)/ 6517 ac 6518 0: ac 6519 1: <unset> 6520 2: a 6521 3: ac 6522 6523/(?>(?>(a))b|(a)c)/ 6524 ac 6525 0: ac 6526 1: <unset> 6527 2: a 6528 6529/(?:(?>([ab])))+a=/aftertext 6530 =ba= 6531 0: ba= 6532 0+ 6533 1: b 6534 6535/(?>([ab]))+a=/aftertext 6536 =ba= 6537 0: ba= 6538 0+ 6539 1: b 6540 6541/((?>(a+)b)+(aabab))/ 6542 aaaabaaabaabab 6543 0: aaaabaaabaabab 6544 1: aaaabaaabaabab 6545 2: aaa 6546 3: aabab 6547 6548/(?>a+|ab)+?c/ 6549\= Expect no match 6550 aabc 6551No match 6552 6553/(?>a+|ab)+c/ 6554\= Expect no match 6555 aabc 6556No match 6557 6558/(?:a+|ab)+c/ 6559 aabc 6560 0: aabc 6561 6562/(?(?=(a))a)/ 6563 a 6564 0: a 6565 1: a 6566 6567/(?(?=(a))a)(b)/ 6568 ab 6569 0: ab 6570 1: a 6571 2: b 6572 6573/^(?:a|ab)++c/ 6574\= Expect no match 6575 aaaabc 6576No match 6577 6578/^(?>a|ab)++c/ 6579\= Expect no match 6580 aaaabc 6581No match 6582 6583/^(?:a|ab)+c/ 6584 aaaabc 6585 0: aaaabc 6586 6587/(?=abc){3}abc/aftertext 6588 abcabcabc 6589 0: abc 6590 0+ abcabc 6591\= Expect no match 6592 xyz 6593No match 6594 6595/(?=abc)+abc/aftertext 6596 abcabcabc 6597 0: abc 6598 0+ abcabc 6599\= Expect no match 6600 xyz 6601No match 6602 6603/(?=abc)++abc/aftertext 6604 abcabcabc 6605 0: abc 6606 0+ abcabc 6607\= Expect no match 6608 xyz 6609No match 6610 6611/(?=abc){0}xyz/ 6612 xyz 6613 0: xyz 6614 6615/(?=abc){1}xyz/ 6616\= Expect no match 6617 xyz 6618No match 6619 6620/(?=(a))?./ 6621 ab 6622 0: a 6623 1: a 6624 bc 6625 0: b 6626 6627/(?=(a))??./ 6628 ab 6629 0: a 6630 bc 6631 0: b 6632 6633/^(?=(?1))?[az]([abc])d/ 6634 abd 6635 0: abd 6636 1: b 6637 zcdxx 6638 0: zcd 6639 1: c 6640 6641/^(?!a){0}\w+/ 6642 aaaaa 6643 0: aaaaa 6644 6645/(?<=(abc))?xyz/ 6646 abcxyz 6647 0: xyz 6648 1: abc 6649 pqrxyz 6650 0: xyz 6651 6652/^[\g<a>]+/ 6653 ggg<<<aaa>>> 6654 0: ggg<<<aaa>>> 6655\= Expect no match 6656 \\ga 6657No match 6658 6659/^[\ga]+/ 6660 gggagagaxyz 6661 0: gggagaga 6662 6663/^[:a[:digit:]]+/ 6664 aaaa444:::Z 6665 0: aaaa444::: 6666 6667/^[:a[:digit:]:b]+/ 6668 aaaa444:::bbbZ 6669 0: aaaa444:::bbb 6670 6671/[:a]xxx[b:]/ 6672 :xxx: 6673 0: :xxx: 6674 6675/(?<=a{2})b/i 6676 xaabc 6677 0: b 6678\= Expect no match 6679 xabc 6680No match 6681 6682/(?<!a{2})b/i 6683 xabc 6684 0: b 6685\= Expect no match 6686 xaabc 6687No match 6688 6689/(?<=a\h)c/ 6690 xa c 6691 0: c 6692 6693/(?<=[^a]{2})b/ 6694 axxbc 6695 0: b 6696 aAAbc 6697 0: b 6698\= Expect no match 6699 xaabc 6700No match 6701 6702/(?<=[^a]{2})b/i 6703 axxbc 6704 0: b 6705\= Expect no match 6706 aAAbc 6707No match 6708 xaabc 6709No match 6710 6711/(?<=a\H)c/ 6712 abc 6713 0: c 6714 6715/(?<=a\V)c/ 6716 abc 6717 0: c 6718 6719/(?<=a\v)c/ 6720 a\nc 6721 0: c 6722 6723/(?(?=c)c|d)++Y/ 6724 XcccddYX 6725 0: cccddY 6726 6727/(?(?=c)c|d)*+Y/ 6728 XcccddYX 6729 0: cccddY 6730 6731/^(a{2,3}){2,}+a/ 6732 aaaaaaa 6733 0: aaaaaaa 6734 1: aaa 6735\= Expect no match 6736 aaaaaa 6737No match 6738 aaaaaaaaa 6739No match 6740 6741/^(a{2,3})++a/ 6742\= Expect no match 6743 aaaaaa 6744No match 6745 6746/^(a{2,3})*+a/ 6747\= Expect no match 6748 aaaaaa 6749No match 6750 6751/\H\h\V\v/ 6752 X X\x0a 6753 0: X X\x0a 6754 X\x09X\x0b 6755 0: X\x09X\x0b 6756\= Expect no match 6757 \xa0 X\x0a 6758No match 6759 6760/\H*\h+\V?\v{3,4}/ 6761 \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a 6762 0: \x09 \xa0X\x0a\x0b\x0c\x0d 6763 \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a 6764 0: \x09 \xa0\x0a\x0b\x0c\x0d 6765 \x09\x20\xa0\x0a\x0b\x0c 6766 0: \x09 \xa0\x0a\x0b\x0c 6767\= Expect no match 6768 \x09\x20\xa0\x0a\x0b 6769No match 6770 6771/\H{3,4}/ 6772 XY ABCDE 6773 0: ABCD 6774 XY PQR ST 6775 0: PQR 6776 6777/.\h{3,4}./ 6778 XY AB PQRS 6779 0: B P 6780 6781/\h*X\h?\H+Y\H?Z/ 6782 >XNNNYZ 6783 0: XNNNYZ 6784 > X NYQZ 6785 0: X NYQZ 6786\= Expect no match 6787 >XYZ 6788No match 6789 > X NY Z 6790No match 6791 6792/\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/ 6793 >XY\x0aZ\x0aA\x0bNN\x0c 6794 0: XY\x0aZ\x0aA\x0bNN\x0c 6795 >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c 6796 0: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c 6797 6798/(foo)\Kbar/ 6799 foobar 6800 0: bar 6801 1: foo 6802 6803/(foo)(\Kbar|baz)/ 6804 foobar 6805 0: bar 6806 1: foo 6807 2: bar 6808 foobaz 6809 0: foobaz 6810 1: foo 6811 2: baz 6812 6813/(foo\Kbar)baz/ 6814 foobarbaz 6815 0: barbaz 6816 1: foobar 6817 6818/abc\K|def\K/g,aftertext 6819 Xabcdefghi 6820 0: 6821 0+ defghi 6822 0: 6823 0+ ghi 6824 6825/ab\Kc|de\Kf/g,aftertext 6826 Xabcdefghi 6827 0: c 6828 0+ defghi 6829 0: f 6830 0+ ghi 6831 6832/(?=C)/g,aftertext 6833 ABCDECBA 6834 0: 6835 0+ CDECBA 6836 0: 6837 0+ CBA 6838 6839/^abc\K/aftertext 6840 abcdef 6841 0: 6842 0+ def 6843\= Expect no match 6844 defabcxyz 6845No match 6846 6847/^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-2}Z/ 6848 ababababbbabZXXXX 6849 0: ababababbbabZ 6850 1: ab 6851 2: b 6852 6853/(?<A>tom|bon)-\g{A}/ 6854 tom-tom 6855 0: tom-tom 6856 1: tom 6857 bon-bon 6858 0: bon-bon 6859 1: bon 6860 6861/(^(a|b\g{-1}))/ 6862\= Expect no match 6863 bacxxx 6864No match 6865 6866/(?|(abc)|(xyz))\1/ 6867 abcabc 6868 0: abcabc 6869 1: abc 6870 xyzxyz 6871 0: xyzxyz 6872 1: xyz 6873\= Expect no match 6874 abcxyz 6875No match 6876 xyzabc 6877No match 6878 6879/(?|(abc)|(xyz))(?1)/ 6880 abcabc 6881 0: abcabc 6882 1: abc 6883 xyzabc 6884 0: xyzabc 6885 1: xyz 6886\= Expect no match 6887 xyzxyz 6888No match 6889 6890/^X(?5)(a)(?|(b)|(q))(c)(d)(Y)/ 6891 XYabcdY 6892 0: XYabcdY 6893 1: a 6894 2: b 6895 3: c 6896 4: d 6897 5: Y 6898 6899/^X(?7)(a)(?|(b|(r)(s))|(q))(c)(d)(Y)/ 6900 XYabcdY 6901 0: XYabcdY 6902 1: a 6903 2: b 6904 3: <unset> 6905 4: <unset> 6906 5: c 6907 6: d 6908 7: Y 6909 6910/^X(?7)(a)(?|(b|(?|(r)|(t))(s))|(q))(c)(d)(Y)/ 6911 XYabcdY 6912 0: XYabcdY 6913 1: a 6914 2: b 6915 3: <unset> 6916 4: <unset> 6917 5: c 6918 6: d 6919 7: Y 6920 6921/(?'abc'\w+):\k<abc>{2}/ 6922 a:aaxyz 6923 0: a:aa 6924 1: a 6925 ab:ababxyz 6926 0: ab:abab 6927 1: ab 6928\= Expect no match 6929 a:axyz 6930No match 6931 ab:abxyz 6932No match 6933 6934/(?'abc'\w+):\g{abc}{2}/ 6935 a:aaxyz 6936 0: a:aa 6937 1: a 6938 ab:ababxyz 6939 0: ab:abab 6940 1: ab 6941\= Expect no match 6942 a:axyz 6943No match 6944 ab:abxyz 6945No match 6946 6947/^(?<ab>a)? (?(<ab>)b|c) (?('ab')d|e)/x 6948 abd 6949 0: abd 6950 1: a 6951 ce 6952 0: ce 6953 6954/^(a.)\g-1Z/ 6955 aXaXZ 6956 0: aXaXZ 6957 1: aX 6958 6959/^(a.)\g{-1}Z/ 6960 aXaXZ 6961 0: aXaXZ 6962 1: aX 6963 6964/^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) /x 6965 abcd 6966 0: ab 6967 6968/(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT)) 6969 (?(DEFINE) 6970 (?<NAME_PAT>[a-z]+) 6971 (?<ADDRESS_PAT>\d+) 6972 )/x 6973 metcalfe 33 6974 0: metcalfe 33 6975 1: metcalfe 6976 2: 33 6977 6978/(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ 6979 1.2.3.4 6980 0: 1.2.3.4 6981 1: <unset> 6982 2: .4 6983 131.111.10.206 6984 0: 131.111.10.206 6985 1: <unset> 6986 2: .206 6987 10.0.0.0 6988 0: 10.0.0.0 6989 1: <unset> 6990 2: .0 6991\= Expect no match 6992 10.6 6993No match 6994 455.3.4.5 6995No match 6996 6997/\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ 6998 1.2.3.4 6999 0: 1.2.3.4 7000 1: .4 7001 131.111.10.206 7002 0: 131.111.10.206 7003 1: .206 7004 10.0.0.0 7005 0: 10.0.0.0 7006 1: .0 7007\= Expect no match 7008 10.6 7009No match 7010 455.3.4.5 7011No match 7012 7013/^(\w++|\s++)*$/ 7014 now is the time for all good men to come to the aid of the party 7015 0: now is the time for all good men to come to the aid of the party 7016 1: party 7017\= Expect no match 7018 this is not a line with only words and spaces! 7019No match 7020 7021/(\d++)(\w)/ 7022 12345a 7023 0: 12345a 7024 1: 12345 7025 2: a 7026\= Expect no match 7027 12345+ 7028No match 7029 7030/a++b/ 7031 aaab 7032 0: aaab 7033 7034/(a++b)/ 7035 aaab 7036 0: aaab 7037 1: aaab 7038 7039/(a++)b/ 7040 aaab 7041 0: aaab 7042 1: aaa 7043 7044/([^()]++|\([^()]*\))+/ 7045 ((abc(ade)ufh()()x 7046 0: abc(ade)ufh()()x 7047 1: x 7048 7049/\(([^()]++|\([^()]+\))+\)/ 7050 (abc) 7051 0: (abc) 7052 1: abc 7053 (abc(def)xyz) 7054 0: (abc(def)xyz) 7055 1: xyz 7056\= Expect no match 7057 ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 7058No match 7059 7060/^([^()]|\((?1)*\))*$/ 7061 abc 7062 0: abc 7063 1: c 7064 a(b)c 7065 0: a(b)c 7066 1: c 7067 a(b(c))d 7068 0: a(b(c))d 7069 1: d 7070\= Expect no match) 7071 a(b(c)d 7072No match 7073 7074/^>abc>([^()]|\((?1)*\))*<xyz<$/ 7075 >abc>123<xyz< 7076 0: >abc>123<xyz< 7077 1: 3 7078 >abc>1(2)3<xyz< 7079 0: >abc>1(2)3<xyz< 7080 1: 3 7081 >abc>(1(2)3)<xyz< 7082 0: >abc>(1(2)3)<xyz< 7083 1: (1(2)3) 7084 7085/^(?:((.)(?1)\2|)|((.)(?3)\4|.))$/i 7086 1221 7087 0: 1221 7088 1: 1221 7089 2: 1 7090 Satanoscillatemymetallicsonatas 7091 0: Satanoscillatemymetallicsonatas 7092 1: <unset> 7093 2: <unset> 7094 3: Satanoscillatemymetallicsonatas 7095 4: S 7096 AmanaplanacanalPanama 7097 0: AmanaplanacanalPanama 7098 1: <unset> 7099 2: <unset> 7100 3: AmanaplanacanalPanama 7101 4: A 7102 AblewasIereIsawElba 7103 0: AblewasIereIsawElba 7104 1: <unset> 7105 2: <unset> 7106 3: AblewasIereIsawElba 7107 4: A 7108\= Expect no match 7109 Thequickbrownfox 7110No match 7111 7112/^(\d+|\((?1)([+*-])(?1)\)|-(?1))$/ 7113 12 7114 0: 12 7115 1: 12 7116 (((2+2)*-3)-7) 7117 0: (((2+2)*-3)-7) 7118 1: (((2+2)*-3)-7) 7119 2: - 7120 -12 7121 0: -12 7122 1: -12 7123\= Expect no match 7124 ((2+2)*-3)-7) 7125No match 7126 7127/^(x(y|(?1){2})z)/ 7128 xyz 7129 0: xyz 7130 1: xyz 7131 2: y 7132 xxyzxyzz 7133 0: xxyzxyzz 7134 1: xxyzxyzz 7135 2: xyzxyz 7136\= Expect no match 7137 xxyzz 7138No match 7139 xxyzxyzxyzz 7140No match 7141 7142/((< (?: (?(R) \d++ | [^<>]*+) | (?2)) * >))/x 7143 <> 7144 0: <> 7145 1: <> 7146 2: <> 7147 <abcd> 7148 0: <abcd> 7149 1: <abcd> 7150 2: <abcd> 7151 <abc <123> hij> 7152 0: <abc <123> hij> 7153 1: <abc <123> hij> 7154 2: <abc <123> hij> 7155 <abc <def> hij> 7156 0: <def> 7157 1: <def> 7158 2: <def> 7159 <abc<>def> 7160 0: <abc<>def> 7161 1: <abc<>def> 7162 2: <abc<>def> 7163 <abc<> 7164 0: <> 7165 1: <> 7166 2: <> 7167\= Expect no match 7168 <abc 7169No match 7170 7171/^a+(*FAIL)/ 7172\= Expect no match 7173 aaaaaa 7174No match 7175 7176/a+b?c+(*FAIL)/ 7177\= Expect no match 7178 aaabccc 7179No match 7180 7181/a+b?(*PRUNE)c+(*FAIL)/ 7182\= Expect no match 7183 aaabccc 7184No match 7185 7186/a+b?(*COMMIT)c+(*FAIL)/ 7187\= Expect no match 7188 aaabccc 7189No match 7190 7191/a+b?(*SKIP)c+(*FAIL)/ 7192\= Expect no match 7193 aaabcccaaabccc 7194No match 7195 7196/^(?:aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/ 7197 aaaxxxxxx 7198 0: aaaxxxxxx 7199 aaa++++++ 7200 0: aaa 7201 bbbxxxxx 7202 0: bbbxxxxx 7203 bbb+++++ 7204 0: bbb 7205 cccxxxx 7206 0: cccxxxx 7207 ccc++++ 7208 0: ccc 7209 dddddddd 7210 0: ddd 7211 7212/^(aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/ 7213 aaaxxxxxx 7214 0: aaaxxxxxx 7215 1: aaaxxxxxx 7216 aaa++++++ 7217 0: aaa 7218 1: aaa 7219 bbbxxxxx 7220 0: bbbxxxxx 7221 1: bbbxxxxx 7222 bbb+++++ 7223 0: bbb 7224 1: bbb 7225 cccxxxx 7226 0: cccxxxx 7227 1: cccxxxx 7228 ccc++++ 7229 0: ccc 7230 1: ccc 7231 dddddddd 7232 0: ddd 7233 1: ddd 7234 7235/a+b?(*THEN)c+(*FAIL)/ 7236\= Expect no match 7237 aaabccc 7238No match 7239 7240/(A (A|B(*ACCEPT)|C) D)(E)/x 7241 AB 7242 0: AB 7243 1: AB 7244 2: B 7245 ABX 7246 0: AB 7247 1: AB 7248 2: B 7249 AADE 7250 0: AADE 7251 1: AAD 7252 2: A 7253 3: E 7254 ACDE 7255 0: ACDE 7256 1: ACD 7257 2: C 7258 3: E 7259\= Expect no match 7260 AD 7261No match 7262 7263/^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i 7264 1221 7265 0: 1221 7266 1: 1221 7267 2: 1 7268 Satan, oscillate my metallic sonatas! 7269 0: Satan, oscillate my metallic sonatas! 7270 1: <unset> 7271 2: <unset> 7272 3: Satan, oscillate my metallic sonatas 7273 4: S 7274 A man, a plan, a canal: Panama! 7275 0: A man, a plan, a canal: Panama! 7276 1: <unset> 7277 2: <unset> 7278 3: A man, a plan, a canal: Panama 7279 4: A 7280 Able was I ere I saw Elba. 7281 0: Able was I ere I saw Elba. 7282 1: <unset> 7283 2: <unset> 7284 3: Able was I ere I saw Elba 7285 4: A 7286\= Expect no match 7287 The quick brown fox 7288No match 7289 7290/^((.)(?1)\2|.)$/ 7291 a 7292 0: a 7293 1: a 7294 aba 7295 0: aba 7296 1: aba 7297 2: a 7298 aabaa 7299 0: aabaa 7300 1: aabaa 7301 2: a 7302 abcdcba 7303 0: abcdcba 7304 1: abcdcba 7305 2: a 7306 pqaabaaqp 7307 0: pqaabaaqp 7308 1: pqaabaaqp 7309 2: p 7310 ablewasiereisawelba 7311 0: ablewasiereisawelba 7312 1: ablewasiereisawelba 7313 2: a 7314\= Expect no match 7315 rhubarb 7316No match 7317 the quick brown fox 7318No match 7319 7320/(a)(?<=b(?1))/ 7321 baz 7322 0: a 7323 1: a 7324\= Expect no match 7325 caz 7326No match 7327 7328/(?<=b(?1))(a)/ 7329 zbaaz 7330 0: a 7331 1: a 7332\= Expect no match 7333 aaa 7334No match 7335 7336/(?<X>a)(?<=b(?&X))/ 7337 baz 7338 0: a 7339 1: a 7340 7341/^(?|(abc)|(def))\1/ 7342 abcabc 7343 0: abcabc 7344 1: abc 7345 defdef 7346 0: defdef 7347 1: def 7348\= Expect no match 7349 abcdef 7350No match 7351 defabc 7352No match 7353 7354/^(?|(abc)|(def))(?1)/ 7355 abcabc 7356 0: abcabc 7357 1: abc 7358 defabc 7359 0: defabc 7360 1: def 7361\= Expect no match 7362 defdef 7363No match 7364 abcdef 7365No match 7366 7367/(?:a(?<quote> (?<apostrophe>')|(?<realquote>")) |b(?<quote> (?<apostrophe>')|(?<realquote>")) ) (?('quote')[a-z]+|[0-9]+)/x,dupnames 7368 a\"aaaaa 7369 0: a"aaaaa 7370 1: " 7371 2: <unset> 7372 3: " 7373 b\"aaaaa 7374 0: b"aaaaa 7375 1: <unset> 7376 2: <unset> 7377 3: <unset> 7378 4: " 7379 5: <unset> 7380 6: " 7381\= Expect no match 7382 b\"11111 7383No match 7384 7385/(?:(?1)|B)(A(*F)|C)/ 7386 ABCD 7387 0: BC 7388 1: C 7389 CCD 7390 0: CC 7391 1: C 7392\= Expect no match 7393 CAD 7394No match 7395 7396/^(?:(?1)|B)(A(*F)|C)/ 7397 CCD 7398 0: CC 7399 1: C 7400 BCD 7401 0: BC 7402 1: C 7403\= Expect no match 7404 ABCD 7405No match 7406 CAD 7407No match 7408 BAD 7409No match 7410 7411/(?:(?1)|B)(A(*ACCEPT)XX|C)D/ 7412 AAD 7413 0: AA 7414 1: A 7415 ACD 7416 0: ACD 7417 1: C 7418 BAD 7419 0: BA 7420 1: A 7421 BCD 7422 0: BCD 7423 1: C 7424 BAX 7425 0: BA 7426 1: A 7427\= Expect no match 7428 ACX 7429No match 7430 ABC 7431No match 7432 7433/(?(DEFINE)(A))B(?1)C/ 7434 BAC 7435 0: BAC 7436 7437/(?(DEFINE)((A)\2))B(?1)C/ 7438 BAAC 7439 0: BAAC 7440 7441/(?<pn> \( ( [^()]++ | (?&pn) )* \) )/x 7442 (ab(cd)ef) 7443 0: (ab(cd)ef) 7444 1: (ab(cd)ef) 7445 2: ef 7446 7447/^(?=a(*SKIP)b|ac)/ 7448\= Expect no match 7449 ac 7450No match 7451 7452/^(?=a(*PRUNE)b)/ 7453 ab 7454 0: 7455\= Expect no match 7456 ac 7457No match 7458 7459/^(?=a(*ACCEPT)b)/ 7460 ac 7461 0: 7462 7463/(?>a\Kb)/ 7464 ab 7465 0: b 7466 7467/((?>a\Kb))/ 7468 ab 7469 0: b 7470 1: ab 7471 7472/(a\Kb)/ 7473 ab 7474 0: b 7475 1: ab 7476 7477/^a\Kcz|ac/ 7478 ac 7479 0: ac 7480 7481/(?>a\Kbz|ab)/ 7482 ab 7483 0: ab 7484 7485/^(?&t)(?(DEFINE)(?<t>a\Kb))$/ 7486 ab 7487 0: b 7488 7489/^([^()]|\((?1)*\))*$/ 7490 a(b)c 7491 0: a(b)c 7492 1: c 7493 a(b(c)d)e 7494 0: a(b(c)d)e 7495 1: e 7496 7497/(?P<L1>(?P<L2>0)(?P>L1)|(?P>L2))/ 7498 0 7499 0: 0 7500 1: 0 7501 00 7502 0: 00 7503 1: 00 7504 2: 0 7505 0000 7506 0: 0000 7507 1: 0000 7508 2: 0 7509 7510/(?P<L1>(?P<L2>0)|(?P>L2)(?P>L1))/ 7511 0 7512 0: 0 7513 1: 0 7514 2: 0 7515 00 7516 0: 0 7517 1: 0 7518 2: 0 7519 0000 7520 0: 0 7521 1: 0 7522 2: 0 7523 7524# This one does fail, as expected, in Perl. It needs the complex item at the 7525# end of the pattern. A single letter instead of (B|D) makes it not fail, which 7526# I think is a Perl bug. 7527 7528/A(*COMMIT)(B|D)/ 7529\= Expect no match 7530 ACABX 7531No match 7532 7533# Check the use of names for failure 7534 7535/^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark 7536\= Expect no match 7537 AC 7538No match, mark = A 7539 CB 7540No match, mark = B 7541 7542/(*MARK:A)(*SKIP:B)(C|X)/mark 7543 C 7544 0: C 7545 1: C 7546MK: A 7547\= Expect no match 7548 D 7549No match, mark = A 7550 7551/^(A(*THEN:A)B|C(*THEN:B)D)/mark 7552\= Expect no match 7553 CB 7554No match, mark = B 7555 7556/^(?:A(*THEN:A)B|C(*THEN:B)D)/mark 7557\= Expect no match 7558 CB 7559No match, mark = B 7560 7561/^(?>A(*THEN:A)B|C(*THEN:B)D)/mark 7562\= Expect no match 7563 CB 7564No match, mark = B 7565 7566# This should succeed, as the skip causes bump to offset 1 (the mark). Note 7567# that we have to have something complicated such as (B|Z) at the end because, 7568# for Perl, a simple character somehow causes an unwanted optimization to mess 7569# with the handling of backtracking verbs. 7570 7571/A(*MARK:A)A+(*SKIP:A)(B|Z) | AC/x,mark 7572 AAAC 7573 0: AC 7574 7575# Test skipping over a non-matching mark. 7576 7577/A(*MARK:A)A+(*MARK:B)(*SKIP:A)(B|Z) | AC/x,mark 7578 AAAC 7579 0: AC 7580 7581# Check shorthand for MARK. 7582 7583/A(*:A)A+(*SKIP:A)(B|Z) | AC/x,mark 7584 AAAC 7585 0: AC 7586 7587/(*:A)A+(*SKIP:A)(B|Z)/mark 7588\= Expect no match 7589 AAAC 7590No match, mark = A 7591 7592# This should succeed, as a non-existent skip name disables the skip. 7593 7594/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark 7595 AAAC 7596 0: AC 7597 7598/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC(*:B)/x,mark 7599 AAAC 7600 0: AC 7601MK: B 7602 7603# COMMIT at the start of a pattern should act like an anchor. Again, however, 7604# we need the complication for Perl. 7605 7606/(*COMMIT)(A|P)(B|P)(C|P)/ 7607 ABCDEFG 7608 0: ABC 7609 1: A 7610 2: B 7611 3: C 7612\= Expect no match 7613 DEFGABC 7614No match 7615 7616# COMMIT inside an atomic group can't stop backtracking over the group. 7617 7618/(\w+)(?>b(*COMMIT))\w{2}/ 7619 abbb 7620 0: abbb 7621 1: a 7622 7623/(\w+)b(*COMMIT)\w{2}/ 7624\= Expect no match 7625 abbb 7626No match 7627 7628# Check opening parens in comment when seeking forward reference. 7629 7630/(?&t)(?#()(?(DEFINE)(?<t>a))/ 7631 bac 7632 0: a 7633 7634# COMMIT should override THEN. 7635 7636/(?>(*COMMIT)(?>yes|no)(*THEN)(*F))?/ 7637\= Expect no match 7638 yes 7639No match 7640 7641/(?>(*COMMIT)(yes|no)(*THEN)(*F))?/ 7642\= Expect no match 7643 yes 7644No match 7645 7646/b?(*SKIP)c/ 7647 bc 7648 0: bc 7649 abc 7650 0: bc 7651 7652/(*SKIP)bc/ 7653\= Expect no match 7654 a 7655No match 7656 7657/(*SKIP)b/ 7658\= Expect no match 7659 a 7660No match 7661 7662/(?P<abn>(?P=abn)xxx|)+/ 7663 xxx 7664 0: 7665 1: 7666 7667/(?i:([^b]))(?1)/ 7668 aa 7669 0: aa 7670 1: a 7671 aA 7672 0: aA 7673 1: a 7674\= Expect no match 7675 ab 7676No match 7677 aB 7678No match 7679 Ba 7680No match 7681 ba 7682No match 7683 7684/^(?&t)*+(?(DEFINE)(?<t>a))\w$/ 7685 aaaaaaX 7686 0: aaaaaaX 7687\= Expect no match 7688 aaaaaa 7689No match 7690 7691/^(?&t)*(?(DEFINE)(?<t>a))\w$/ 7692 aaaaaaX 7693 0: aaaaaaX 7694 aaaaaa 7695 0: aaaaaa 7696 7697/^(a)*+(\w)/ 7698 aaaaX 7699 0: aaaaX 7700 1: a 7701 2: X 7702 YZ 7703 0: Y 7704 1: <unset> 7705 2: Y 7706\= Expect no match 7707 aaaa 7708No match 7709 7710/^(?:a)*+(\w)/ 7711 aaaaX 7712 0: aaaaX 7713 1: X 7714 YZ 7715 0: Y 7716 1: Y 7717\= Expect no match 7718 aaaa 7719No match 7720 7721/^(a)++(\w)/ 7722 aaaaX 7723 0: aaaaX 7724 1: a 7725 2: X 7726\= Expect no match 7727 aaaa 7728No match 7729 YZ 7730No match 7731 7732/^(?:a)++(\w)/ 7733 aaaaX 7734 0: aaaaX 7735 1: X 7736\= Expect no match 7737 aaaa 7738No match 7739 YZ 7740No match 7741 7742/^(a)?+(\w)/ 7743 aaaaX 7744 0: aa 7745 1: a 7746 2: a 7747 YZ 7748 0: Y 7749 1: <unset> 7750 2: Y 7751 7752/^(?:a)?+(\w)/ 7753 aaaaX 7754 0: aa 7755 1: a 7756 YZ 7757 0: Y 7758 1: Y 7759 7760/^(a){2,}+(\w)/ 7761 aaaaX 7762 0: aaaaX 7763 1: a 7764 2: X 7765\= Expect no match 7766 aaa 7767No match 7768 YZ 7769No match 7770 7771/^(?:a){2,}+(\w)/ 7772 aaaaX 7773 0: aaaaX 7774 1: X 7775\= Expect no match 7776 aaa 7777No match 7778 YZ 7779No match 7780 7781/(a|)*(?1)b/ 7782 b 7783 0: b 7784 1: 7785 ab 7786 0: ab 7787 1: 7788 aab 7789 0: aab 7790 1: 7791 7792/(a)++(?1)b/ 7793\= Expect no match 7794 ab 7795No match 7796 aab 7797No match 7798 7799/(a)*+(?1)b/ 7800\= Expect no match 7801 ab 7802No match 7803 aab 7804No match 7805 7806/(?1)(?:(b)){0}/ 7807 b 7808 0: b 7809 7810/(foo ( \( ((?:(?> [^()]+ )|(?2))*) \) ) )/x 7811 foo(bar(baz)+baz(bop)) 7812 0: foo(bar(baz)+baz(bop)) 7813 1: foo(bar(baz)+baz(bop)) 7814 2: (bar(baz)+baz(bop)) 7815 3: bar(baz)+baz(bop) 7816 7817/(A (A|B(*ACCEPT)|C) D)(E)/x 7818 AB 7819 0: AB 7820 1: AB 7821 2: B 7822 7823/\A.*?(a|bc)/ 7824 ba 7825 0: ba 7826 1: a 7827 7828/\A.*?(?:a|bc)++/ 7829 ba 7830 0: ba 7831 7832/\A.*?(a|bc)++/ 7833 ba 7834 0: ba 7835 1: a 7836 7837/\A.*?(?:a|bc|d)/ 7838 ba 7839 0: ba 7840 7841/(?:(b))++/ 7842 beetle 7843 0: b 7844 1: b 7845 7846/(?(?=(a(*ACCEPT)z))a)/ 7847 a 7848 0: a 7849 1: a 7850 7851/^(a)(?1)+ab/ 7852 aaaab 7853 0: aaaab 7854 1: a 7855 7856/^(a)(?1)++ab/ 7857\= Expect no match 7858 aaaab 7859No match 7860 7861/^(?=a(*:M))aZ/mark 7862 aZbc 7863 0: aZ 7864MK: M 7865 7866/^(?!(*:M)b)aZ/mark 7867 aZbc 7868 0: aZ 7869 7870/(?(DEFINE)(a))?b(?1)/ 7871 backgammon 7872 0: ba 7873 7874/^\N+/ 7875 abc\ndef 7876 0: abc 7877 7878/^\N{1,}/ 7879 abc\ndef 7880 0: abc 7881 7882/(?(R)a+|(?R)b)/ 7883 aaaabcde 7884 0: aaaab 7885 7886/(?(R)a+|((?R))b)/ 7887 aaaabcde 7888 0: aaaab 7889 1: aaaa 7890 7891/((?(R)a+|(?1)b))/ 7892 aaaabcde 7893 0: aaaab 7894 1: aaaab 7895 7896/((?(R1)a+|(?1)b))/ 7897 aaaabcde 7898 0: aaaab 7899 1: aaaab 7900 7901/((?(R)a|(?1)))*/ 7902 aaa 7903 0: aaa 7904 1: a 7905 7906/((?(R)a|(?1)))+/ 7907 aaa 7908 0: aaa 7909 1: a 7910 7911/a(*:any 7912name)/mark 7913 abc 7914 0: a 7915MK: any \x0aname 7916 7917/(?>(?&t)c|(?&t))(?(DEFINE)(?<t>a|b(*PRUNE)c))/ 7918 a 7919 0: a 7920 ba 7921 0: a 7922 bba 7923 0: a 7924 7925# Checking revised (*THEN) handling. 7926 7927# Capture 7928 7929/^.*? (a(*THEN)b) c/x 7930\= Expect no match 7931 aabc 7932No match 7933 7934/^.*? (a(*THEN)b|(*F)) c/x 7935 aabc 7936 0: aabc 7937 1: ab 7938 7939/^.*? ( (a(*THEN)b) | (*F) ) c/x 7940 aabc 7941 0: aabc 7942 1: ab 7943 2: ab 7944 7945/^.*? ( (a(*THEN)b) ) c/x 7946\= Expect no match 7947 aabc 7948No match 7949 7950# Non-capture 7951 7952/^.*? (?:a(*THEN)b) c/x 7953\= Expect no match 7954 aabc 7955No match 7956 7957/^.*? (?:a(*THEN)b|(*F)) c/x 7958 aabc 7959 0: aabc 7960 7961/^.*? (?: (?:a(*THEN)b) | (*F) ) c/x 7962 aabc 7963 0: aabc 7964 7965/^.*? (?: (?:a(*THEN)b) ) c/x 7966\= Expect no match 7967 aabc 7968No match 7969 7970# Atomic 7971 7972/^.*? (?>a(*THEN)b) c/x 7973\= Expect no match 7974 aabc 7975No match 7976 7977/^.*? (?>a(*THEN)b|(*F)) c/x 7978 aabc 7979 0: aabc 7980 7981/^.*? (?> (?>a(*THEN)b) | (*F) ) c/x 7982 aabc 7983 0: aabc 7984 7985/^.*? (?> (?>a(*THEN)b) ) c/x 7986\= Expect no match 7987 aabc 7988No match 7989 7990# Possessive capture 7991 7992/^.*? (a(*THEN)b)++ c/x 7993\= Expect no match 7994 aabc 7995No match 7996 7997/^.*? (a(*THEN)b|(*F))++ c/x 7998 aabc 7999 0: aabc 8000 1: ab 8001 8002/^.*? ( (a(*THEN)b)++ | (*F) )++ c/x 8003 aabc 8004 0: aabc 8005 1: ab 8006 2: ab 8007 8008/^.*? ( (a(*THEN)b)++ )++ c/x 8009\= Expect no match 8010 aabc 8011No match 8012 8013# Possessive non-capture 8014 8015/^.*? (?:a(*THEN)b)++ c/x 8016\= Expect no match 8017 aabc 8018No match 8019 8020/^.*? (?:a(*THEN)b|(*F))++ c/x 8021 aabc 8022 0: aabc 8023 8024/^.*? (?: (?:a(*THEN)b)++ | (*F) )++ c/x 8025 aabc 8026 0: aabc 8027 8028/^.*? (?: (?:a(*THEN)b)++ )++ c/x 8029\= Expect no match 8030 aabc 8031No match 8032 8033# Condition assertion 8034 8035/^(?(?=a(*THEN)b)ab|ac)/ 8036 ac 8037 0: ac 8038 8039# Condition 8040 8041/^.*?(?(?=a)a|b(*THEN)c)/ 8042\= Expect no match 8043 ba 8044No match 8045 8046/^.*?(?:(?(?=a)a|b(*THEN)c)|d)/ 8047 ba 8048 0: ba 8049 8050/^.*?(?(?=a)a(*THEN)b|c)/ 8051\= Expect no match 8052 ac 8053No match 8054 8055# Assertion 8056 8057/^.*(?=a(*THEN)b)/ 8058 aabc 8059 0: a 8060 8061# -------------------------- 8062 8063/(?>a(*:m))/imsx,mark 8064 a 8065 0: a 8066MK: m 8067 8068/(?>(a)(*:m))/imsx,mark 8069 a 8070 0: a 8071 1: a 8072MK: m 8073 8074/(?<=a(*ACCEPT)b)c/ 8075 xacd 8076 0: c 8077 8078/(?<=(a(*ACCEPT)b))c/ 8079 xacd 8080 0: c 8081 1: a 8082 8083/(?<=(a(*COMMIT)b))c/ 8084 xabcd 8085 0: c 8086 1: ab 8087\= Expect no match 8088 xacd 8089No match 8090 8091/(?<!a(*FAIL)b)c/ 8092 xcd 8093 0: c 8094 acd 8095 0: c 8096 8097/(?<=a(*:N)b)c/mark 8098 xabcd 8099 0: c 8100MK: N 8101 8102/(?<=a(*PRUNE)b)c/ 8103 xabcd 8104 0: c 8105 8106/(?<=a(*SKIP)b)c/ 8107 xabcd 8108 0: c 8109 8110/(?<=a(*THEN)b)c/ 8111 xabcd 8112 0: c 8113 8114/(a)(?2){2}(.)/ 8115 abcd 8116 0: abcd 8117 1: a 8118 2: d 8119 8120/(*MARK:A)(*PRUNE:B)(C|X)/mark 8121 C 8122 0: C 8123 1: C 8124MK: B 8125\= Expect no match 8126 D 8127No match, mark = B 8128 8129/(*MARK:A)(*PRUNE:B)(C|X)/mark 8130 C 8131 0: C 8132 1: C 8133MK: B 8134\= Expect no match 8135 D 8136No match, mark = B 8137 8138/(*MARK:A)(*THEN:B)(C|X)/mark 8139 C 8140 0: C 8141 1: C 8142MK: B 8143\= Expect no match 8144 D 8145No match, mark = B 8146 8147/(*MARK:A)(*THEN:B)(C|X)/mark,no_start_optimize 8148 C 8149 0: C 8150 1: C 8151MK: B 8152\= Expect no match 8153 D 8154No match, mark = B 8155 8156/(*MARK:A)(*THEN:B)(C|X)/mark 8157 C 8158 0: C 8159 1: C 8160MK: B 8161\= Expect no match 8162 D 8163No match, mark = B 8164 8165# This should fail, as the skip causes a bump to offset 3 (the skip). 8166 8167/A(*MARK:A)A+(*SKIP)(B|Z) | AC/x,mark 8168\= Expect no match 8169 AAAC 8170No match, mark = A 8171 8172# Same 8173 8174/A(*MARK:A)A+(*MARK:B)(*SKIP:B)(B|Z) | AC/x,mark 8175\= Expect no match 8176 AAAC 8177No match, mark = B 8178 8179/A(*:A)A+(*SKIP)(B|Z) | AC/x,mark 8180\= Expect no match 8181 AAAC 8182No match, mark = A 8183 8184# This should fail, as a null name is the same as no name. 8185 8186/A(*MARK:A)A+(*SKIP:)(B|Z) | AC/x,mark 8187\= Expect no match 8188 AAAC 8189No match, mark = A 8190 8191# A check on what happens after hitting a mark and them bumping along to 8192# something that does not even start. Perl reports tags after the failures 8193# here, though it does not when the individual letters are made into something 8194# more complicated. 8195 8196/A(*:A)B|XX(*:B)Y/mark 8197 AABC 8198 0: AB 8199MK: A 8200 XXYZ 8201 0: XXY 8202MK: B 8203\= Expect no match 8204 XAQQ 8205No match, mark = A 8206 XAQQXZZ 8207No match, mark = A 8208 AXQQQ 8209No match, mark = A 8210 AXXQQQ 8211No match, mark = B 8212 8213/^(A(*THEN:A)B|C(*THEN:B)D)/mark 8214 AB 8215 0: AB 8216 1: AB 8217MK: A 8218 CD 8219 0: CD 8220 1: CD 8221MK: B 8222\= Expect no match 8223 AC 8224No match, mark = A 8225 CB 8226No match, mark = B 8227 8228/^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark 8229 AB 8230 0: AB 8231 1: AB 8232MK: A 8233 CD 8234 0: CD 8235 1: CD 8236MK: B 8237\= Expect no match 8238 AC 8239No match, mark = A 8240 CB 8241No match, mark = B 8242 8243# An empty name does not pass back an empty string. It is the same as if no 8244# name were given. 8245 8246/^(A(*PRUNE:)B|C(*PRUNE:B)D)/mark 8247 AB 8248 0: AB 8249 1: AB 8250 CD 8251 0: CD 8252 1: CD 8253MK: B 8254 8255# PRUNE goes to next bumpalong; COMMIT does not. 8256 8257/A(*PRUNE:A)B/mark 8258 ACAB 8259 0: AB 8260MK: A 8261 8262# Mark names can be duplicated. 8263 8264/A(*:A)B|X(*:A)Y/mark 8265 AABC 8266 0: AB 8267MK: A 8268 XXYZ 8269 0: XY 8270MK: A 8271 8272/b(*:m)f|a(*:n)w/mark 8273 aw 8274 0: aw 8275MK: n 8276\= Expect no match 8277 abc 8278No match, mark = m 8279 8280/b(*:m)f|aw/mark 8281 abaw 8282 0: aw 8283\= Expect no match 8284 abc 8285No match, mark = m 8286 abax 8287No match, mark = m 8288 8289/A(*MARK:A)A+(*SKIP:B)(B|Z) | AAC/x,mark 8290 AAAC 8291 0: AAC 8292 8293/(?=a(*MARK:A)b)..x/mark 8294 abxy 8295 0: abx 8296MK: A 8297\= Expect no match 8298 abpq 8299No match 8300 8301/(?=a(*MARK:A)b)..(*:Y)x/mark 8302 abxy 8303 0: abx 8304MK: Y 8305\= Expect no match 8306 abpq 8307No match 8308 8309/(?=a(*PRUNE:A)b)..x/mark 8310 abxy 8311 0: abx 8312MK: A 8313\= Expect no match 8314 abpq 8315No match 8316 8317/(?=a(*PRUNE:A)b)..(*:Y)x/mark 8318 abxy 8319 0: abx 8320MK: Y 8321\= Expect no match 8322 abpq 8323No match 8324 8325/(?=a(*THEN:A)b)..x/mark 8326 abxy 8327 0: abx 8328MK: A 8329\= Expect no match 8330 abpq 8331No match 8332 8333/(?=a(*THEN:A)b)..(*:Y)x/mark 8334 abxy 8335 0: abx 8336MK: Y 8337\= Expect no match 8338 abpq 8339No match 8340 8341/(another)?(\1?)test/ 8342 hello world test 8343 0: test 8344 1: <unset> 8345 2: 8346 8347/(another)?(\1+)test/ 8348\= Expect no match 8349 hello world test 8350No match 8351 8352/(a(*COMMIT)b){0}a(?1)|aac/ 8353 aac 8354 0: aac 8355 8356/((?:a?)*)*c/ 8357 aac 8358 0: aac 8359 1: 8360 8361/((?>a?)*)*c/ 8362 aac 8363 0: aac 8364 1: 8365 8366/(?>.*?a)(?<=ba)/ 8367 aba 8368 0: ba 8369 8370/(?:.*?a)(?<=ba)/ 8371 aba 8372 0: aba 8373 8374/(?>.*?a)b/s 8375 aab 8376 0: ab 8377 8378/(?>.*?a)b/ 8379 aab 8380 0: ab 8381 8382/(?>^a)b/s 8383\= Expect no match 8384 aab 8385No match 8386 8387/(?>.*?)(?<=(abcd)|(wxyz))/ 8388 alphabetabcd 8389 0: 8390 1: abcd 8391 endingwxyz 8392 0: 8393 1: <unset> 8394 2: wxyz 8395 8396/(?>.*)(?<=(abcd)|(wxyz))/ 8397 alphabetabcd 8398 0: alphabetabcd 8399 1: abcd 8400 endingwxyz 8401 0: endingwxyz 8402 1: <unset> 8403 2: wxyz 8404 8405"(?>.*)foo" 8406\= Expect no match 8407 abcdfooxyz 8408No match 8409 8410"(?>.*?)foo" 8411 abcdfooxyz 8412 0: foo 8413 8414/(?:(a(*PRUNE)b)){0}(?:(?1)|ac)/ 8415 ac 8416 0: ac 8417 8418/(?:(a(*SKIP)b)){0}(?:(?1)|ac)/ 8419 ac 8420 0: ac 8421 8422/(?<=(*SKIP)ac)a/ 8423\= Expect no match 8424 aa 8425No match 8426 8427/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark 8428 AAAC 8429 0: AC 8430 8431/a(*SKIP:m)x|ac(*:n)(*SKIP:n)d|ac/mark 8432 acacd 8433 0: acd 8434MK: n 8435 8436/A(*SKIP:m)x|A(*SKIP:n)x|AB/mark 8437 AB 8438 0: AB 8439 8440/((*SKIP:r)d){0}a(*SKIP:m)x|ac(*:n)|ac/mark 8441 acacd 8442 0: ac 8443MK: n 8444 8445# Tests that try to figure out how Perl works. My hypothesis is that the first 8446# verb that is backtracked onto is the one that acts. This seems to be the case 8447# almost all the time, but there is one exception that is perhaps a bug. 8448 8449# This matches "aaaac"; each PRUNE advances one character until the subject no 8450# longer starts with 5 'a's. 8451 8452/aaaaa(*PRUNE)b|a+c/ 8453 aaaaaac 8454 0: aaaac 8455 8456# Putting SKIP in front of PRUNE makes no difference, as it is never 8457# backtracked onto, whether or not it has a label. 8458 8459/aaaaa(*SKIP)(*PRUNE)b|a+c/ 8460 aaaaaac 8461 0: aaaac 8462 8463/aaaaa(*SKIP:N)(*PRUNE)b|a+c/ 8464 aaaaaac 8465 0: aaaac 8466 8467/aaaa(*:N)a(*SKIP:N)(*PRUNE)b|a+c/ 8468 aaaaaac 8469 0: aaaac 8470 8471# Putting THEN in front makes no difference. 8472 8473/aaaaa(*THEN)(*PRUNE)b|a+c/ 8474 aaaaaac 8475 0: aaaac 8476 8477# However, putting COMMIT in front of the prune changes it to "no match". I 8478# think this is inconsistent and possibly a bug. For the moment, running this 8479# test is moved out of the Perl-compatible file. 8480 8481/aaaaa(*COMMIT)(*PRUNE)b|a+c/ 8482 8483# OK, lets play the same game again using SKIP instead of PRUNE. 8484 8485# This matches "ac" because SKIP forces the next match to start on the 8486# sixth "a". 8487 8488/aaaaa(*SKIP)b|a+c/ 8489 aaaaaac 8490 0: ac 8491 8492# Putting PRUNE in front makes no difference. 8493 8494/aaaaa(*PRUNE)(*SKIP)b|a+c/ 8495 aaaaaac 8496 0: ac 8497 8498# Putting THEN in front makes no difference. 8499 8500/aaaaa(*THEN)(*SKIP)b|a+c/ 8501 aaaaaac 8502 0: ac 8503 8504# In this case, neither does COMMIT. This still matches "ac". 8505 8506/aaaaa(*COMMIT)(*SKIP)b|a+c/ 8507 aaaaaac 8508 0: ac 8509 8510# This gives "no match", as expected. 8511 8512/aaaaa(*COMMIT)b|a+c/ 8513\= Expect no match 8514 aaaaaac 8515No match 8516 8517# ---- Tests using THEN ---- 8518 8519# This matches "aaaaaac", as expected. 8520 8521/aaaaa(*THEN)b|a+c/ 8522 aaaaaac 8523 0: aaaaaac 8524 8525# Putting SKIP in front makes no difference. 8526 8527/aaaaa(*SKIP)(*THEN)b|a+c/ 8528 aaaaaac 8529 0: aaaaaac 8530 8531# Putting PRUNE in front makes no difference. 8532 8533/aaaaa(*PRUNE)(*THEN)b|a+c/ 8534 aaaaaac 8535 0: aaaaaac 8536 8537# Putting COMMIT in front makes no difference. 8538 8539/aaaaa(*COMMIT)(*THEN)b|a+c/ 8540 aaaaaac 8541 0: aaaaaac 8542 8543# End of "priority" tests 8544 8545/aaaaa(*:m)(*PRUNE:m)(*SKIP:m)m|a+/ 8546 aaaaaa 8547 0: a 8548 8549/aaaaa(*:m)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/ 8550 aaaaaa 8551 0: a 8552 8553/aaaaa(*:n)(*PRUNE:m)(*SKIP:m)m|a+/ 8554 aaaaaa 8555 0: aaaa 8556 8557/aaaaa(*:n)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/ 8558 aaaaaa 8559 0: a 8560 8561/a(*MARK:A)aa(*PRUNE:A)a(*SKIP:A)b|a+c/ 8562 aaaac 8563 0: aac 8564 8565/a(*MARK:A)aa(*MARK:A)a(*SKIP:A)b|a+c/ 8566 aaaac 8567 0: ac 8568 8569/aaa(*PRUNE:A)a(*SKIP:A)b|a+c/ 8570 aaaac 8571 0: aac 8572 8573/aaa(*MARK:A)a(*SKIP:A)b|a+c/ 8574 aaaac 8575 0: ac 8576 8577/a(*:m)a(*COMMIT)(*SKIP:m)b|a+c/mark 8578 aaaaaac 8579 0: ac 8580 8581/.?(a|b(*THEN)c)/ 8582 ba 8583 0: ba 8584 1: a 8585 8586/(a(*COMMIT)b)c|abd/ 8587 abc 8588 0: abc 8589 1: ab 8590\= Expect no match 8591 abd 8592No match 8593 8594/(?=a(*COMMIT)b)abc|abd/ 8595 abc 8596 0: abc 8597 abd 8598 0: abd 8599 8600/(?>a(*COMMIT)b)c|abd/ 8601 abc 8602 0: abc 8603 abd 8604 0: abd 8605 8606/a(?=b(*COMMIT)c)[^d]|abd/ 8607 abc 8608 0: ab 8609\= Expect no match 8610 abd 8611No match 8612 8613/a(?=bc).|abd/ 8614 abd 8615 0: abd 8616 abc 8617 0: ab 8618 8619/a(?>b(*COMMIT)c)d|abd/ 8620\= Expect no match 8621 abceabd 8622No match 8623 8624/a(?>bc)d|abd/ 8625 abceabd 8626 0: abd 8627 8628/(?>a(*COMMIT)b)c|abd/ 8629 abd 8630 0: abd 8631 8632/(?>a(*COMMIT)c)d|abd/ 8633\= Expect no match 8634 abd 8635No match 8636 8637/((?=a(*COMMIT)b)ab|ac){0}(?:(?1)|a(c))/ 8638 ac 8639 0: ac 8640 1: <unset> 8641 2: c 8642 8643# These tests were formerly in test 2, but changes in PCRE and Perl have 8644# made them compatible. 8645 8646/^(a)?(?(1)a|b)+$/ 8647\= Expect no match 8648 a 8649No match 8650 8651/(?=a\Kb)ab/ 8652 ab 8653 0: b 8654 8655/(?!a\Kb)ac/ 8656 ac 8657 0: ac 8658 8659/^abc(?<=b\Kc)d/ 8660 abcd 8661 0: cd 8662 8663/^abc(?<!b\Kq)d/ 8664 abcd 8665 0: abcd 8666 8667/A(*PRUNE:A)A+(*SKIP:A)(B|Z) | AC/x,mark 8668\= Expect no match 8669 AAAC 8670No match, mark = A 8671 8672/^((abc|abcx)(*THEN)y|abcd)/ 8673 abcd 8674 0: abcd 8675 1: abcd 8676\= Expect no match 8677 abcxy 8678No match 8679 8680/^((yes|no)(*THEN)(*F))?/ 8681\= Expect no match 8682 yes 8683No match 8684 8685/(A (.*) C? (*THEN) | A D) (*FAIL)/x 8686\= Expect no match 8687 AbcdCBefgBhiBqz 8688No match 8689 8690/(A (.*) C? (*THEN) | A D) z/x 8691\= Expect no match 8692 AbcdCBefgBhiBqz 8693No match 8694 8695/(A (.*) C? (*THEN) | A D) \s* (*FAIL)/x 8696\= Expect no match 8697 AbcdCBefgBhiBqz 8698No match 8699 8700/(A (.*) C? (*THEN) | A D) \s* z/x 8701\= Expect no match 8702 AbcdCBefgBhiBqz 8703No match 8704 8705/(A (.*) (?:C|) (*THEN) | A D) (*FAIL)/x 8706\= Expect no match 8707 AbcdCBefgBhiBqz 8708No match 8709 8710/(A (.*) (?:C|) (*THEN) | A D) z/x 8711\= Expect no match 8712 AbcdCBefgBhiBqz 8713No match 8714 8715/(A (.*) C{0,6} (*THEN) | A D) (*FAIL)/x 8716\= Expect no match 8717 AbcdCBefgBhiBqz 8718No match 8719 8720/(A (.*) C{0,6} (*THEN) | A D) z/x 8721\= Expect no match 8722 AbcdCBefgBhiBqz 8723No match 8724 8725/(A (.*) (CE){0,6} (*THEN) | A D) (*FAIL)/x 8726\= Expect no match 8727 AbcdCEBefgBhiBqz 8728No match 8729 8730/(A (.*) (CE){0,6} (*THEN) | A D) z/x 8731\= Expect no match 8732 AbcdCEBefgBhiBqz 8733No match 8734 8735/(A (.*) (CE*){0,6} (*THEN) | A D) (*FAIL)/x 8736\= Expect no match 8737 AbcdCBefgBhiBqz 8738No match 8739 8740/(A (.*) (CE*){0,6} (*THEN) | A D) z/x 8741\= Expect no match 8742 AbcdCBefgBhiBqz 8743No match 8744 8745/(?=a(*COMMIT)b|ac)ac|ac/ 8746\= Expect no match 8747 ac 8748No match 8749 8750/(?=a(*COMMIT)b|(ac)) ac | (a)c/x 8751\= Expect no match 8752 ac 8753No match 8754 8755# ---- 8756 8757/(?(?!b(*THEN)a)bn|bnn)/ 8758 bnn 8759 0: bn 8760 8761/(?!b(*SKIP)a)bn|bnn/ 8762 bnn 8763 0: bn 8764 8765/(?(?!b(*SKIP)a)bn|bnn)/ 8766 bnn 8767 0: bn 8768 8769/(?!b(*PRUNE)a)bn|bnn/ 8770 bnn 8771 0: bn 8772 8773/(?(?!b(*PRUNE)a)bn|bnn)/ 8774 bnn 8775 0: bn 8776 8777/(?!b(*COMMIT)a)bn|bnn/ 8778 bnn 8779 0: bn 8780 8781/(?(?!b(*COMMIT)a)bn|bnn)/ 8782 bnn 8783 0: bn 8784 8785/(?=b(*SKIP)a)bn|bnn/ 8786\= Expect no match 8787 bnn 8788No match 8789 8790/(?=b(*THEN)a)bn|bnn/ 8791 bnn 8792 0: bnn 8793 8794/^(?!a(*SKIP)b)/ 8795 ac 8796 0: 8797 8798/^(?!a(*SKIP)b)../ 8799 acd 8800 0: ac 8801 8802/(?!a(*SKIP)b)../ 8803 acd 8804 0: ac 8805 8806/^(?(?!a(*SKIP)b))/ 8807 ac 8808 0: 8809 8810/^(?!a(*PRUNE)b)../ 8811 acd 8812 0: ac 8813 8814/(?!a(*PRUNE)b)../ 8815 acd 8816 0: ac 8817 8818/(?!a(*COMMIT)b)ac|cd/ 8819 ac 8820 0: ac 8821 8822/\A.*?(?:a|bc)/ 8823 ba 8824 0: ba 8825 8826/^(A(*THEN)B|C(*THEN)D)/ 8827 CD 8828 0: CD 8829 1: CD 8830 8831/(*:m(m)(?&y)(?(DEFINE)(?<y>b))/mark 8832 abc 8833 0: b 8834MK: m(m 8835 8836/(*PRUNE:m(m)(?&y)(?(DEFINE)(?<y>b))/mark 8837 abc 8838 0: b 8839MK: m(m 8840 8841/(*SKIP:m(m)(?&y)(?(DEFINE)(?<y>b))/mark 8842 abc 8843 0: b 8844 8845/(*THEN:m(m)(?&y)(?(DEFINE)(?<y>b))/mark 8846 abc 8847 0: b 8848MK: m(m 8849 8850/^\d*\w{4}/ 8851 1234 8852 0: 1234 8853\= Expect no match 8854 123 8855No match 8856 8857/^[^b]*\w{4}/ 8858 aaaa 8859 0: aaaa 8860\= Expect no match 8861 aaa 8862No match 8863 8864/^[^b]*\w{4}/i 8865 aaaa 8866 0: aaaa 8867\= Expect no match 8868 aaa 8869No match 8870 8871/^a*\w{4}/ 8872 aaaa 8873 0: aaaa 8874\= Expect no match 8875 aaa 8876No match 8877 8878/^a*\w{4}/i 8879 aaaa 8880 0: aaaa 8881\= Expect no match 8882 aaa 8883No match 8884 8885/(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames 8886 foofoo 8887 0: foofoo 8888 1: foo 8889 barbar 8890 0: barbar 8891 1: <unset> 8892 2: bar 8893 8894/(?<n>A)(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames 8895 AfooA 8896 0: AfooA 8897 1: A 8898 2: foo 8899 AbarA 8900 0: AbarA 8901 1: A 8902 2: <unset> 8903 3: bar 8904\= Expect no match 8905 Afoofoo 8906No match 8907 Abarbar 8908No match 8909 8910/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/ 8911 1 IN SOA non-sp1 non-sp2( 8912 0: 1 IN SOA non-sp1 non-sp2( 8913 1: 1 8914 2: non-sp1 8915 3: non-sp2 8916 8917/^ (?:(?<A>A)|(?'B'B)(?<A>A)) (?('A')x) (?(<B>)y)$/x,dupnames 8918 Ax 8919 0: Ax 8920 1: A 8921 BAxy 8922 0: BAxy 8923 1: <unset> 8924 2: B 8925 3: A 8926 8927/^A\xZ/ 8928 A\0Z 8929 0: A\x00Z 8930 8931/^A\o{123}B/ 8932 A\123B 8933 0: ASB 8934 8935/ ^ a + + b $ /x 8936 aaaab 8937 0: aaaab 8938 8939/ ^ a + #comment 8940 + b $ /x 8941 aaaab 8942 0: aaaab 8943 8944/ ^ a + #comment 8945 #comment 8946 + b $ /x 8947 aaaab 8948 0: aaaab 8949 8950/ ^ (?> a + ) b $ /x 8951 aaaab 8952 0: aaaab 8953 8954/ ^ ( a + ) + + \w $ /x 8955 aaaab 8956 0: aaaab 8957 1: aaaa 8958 8959/(?:a\Kb)*+/aftertext 8960 ababc 8961 0: b 8962 0+ c 8963 8964/(?>a\Kb)*/aftertext 8965 ababc 8966 0: b 8967 0+ c 8968 8969/(?:a\Kb)*/aftertext 8970 ababc 8971 0: b 8972 0+ c 8973 8974/(a\Kb)*+/aftertext 8975 ababc 8976 0: b 8977 0+ c 8978 1: ab 8979 8980/(a\Kb)*/aftertext 8981 ababc 8982 0: b 8983 0+ c 8984 1: ab 8985 8986/(?:x|(?:(xx|yy)+|x|x|x|x|x)|a|a|a)bc/ 8987\= Expect no match 8988 acb 8989No match 8990 8991'\A(?:[^\"]++|\"(?:[^\"]*+|\"\")*+\")++' 8992 NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 8993 0: NON QUOTED "QUOT""ED" AFTER 8994 8995'\A(?:[^\"]++|\"(?:[^\"]++|\"\")*+\")++' 8996 NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 8997 0: NON QUOTED "QUOT""ED" AFTER 8998 8999'\A(?:[^\"]++|\"(?:[^\"]++|\"\")++\")++' 9000 NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 9001 0: NON QUOTED "QUOT""ED" AFTER 9002 9003'\A([^\"1]++|[\"2]([^\"3]*+|[\"4][\"5])*+[\"6])++' 9004 NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED 9005 0: NON QUOTED "QUOT""ED" AFTER 9006 1: AFTER 9007 2: 9008 9009/^\w+(?>\s*)(?<=\w)/ 9010 test test 9011 0: tes 9012 9013/(?P<same>a)(?P<same>b)/g,dupnames 9014 abbaba 9015 0: ab 9016 1: a 9017 2: b 9018 0: ab 9019 1: a 9020 2: b 9021 9022/(?P<same>a)(?P<same>b)(?P=same)/g,dupnames 9023 abbaba 9024 0: aba 9025 1: a 9026 2: b 9027 9028/(?P=same)?(?P<same>a)(?P<same>b)/g,dupnames 9029 abbaba 9030 0: ab 9031 1: a 9032 2: b 9033 0: ab 9034 1: a 9035 2: b 9036 9037/(?:(?P=same)?(?:(?P<same>a)|(?P<same>b))(?P=same))+/g,dupnames 9038 bbbaaabaabb 9039 0: bbbaaaba 9040 1: a 9041 2: b 9042 0: bb 9043 1: <unset> 9044 2: b 9045 9046/(?:(?P=same)?(?:(?P=same)(?P<same>a)(?P=same)|(?P=same)?(?P<same>b)(?P=same)){2}(?P=same)(?P<same>c)(?P=same)){2}(?P<same>z)?/g,dupnames 9047\= Expect no match 9048 bbbaaaccccaaabbbcc 9049No match 9050 9051/(?P<Name>a)?(?P<Name2>b)?(?(<Name>)c|d)*l/ 9052 acl 9053 0: acl 9054 1: a 9055 bdl 9056 0: bdl 9057 1: <unset> 9058 2: b 9059 adl 9060 0: dl 9061 bcl 9062 0: l 9063 9064/\sabc/ 9065 \x{0b}abc 9066 0: \x0babc 9067 9068/[\Qa]\E]+/ 9069 aa]] 9070 0: aa]] 9071 9072/[\Q]a\E]+/ 9073 aa]] 9074 0: aa]] 9075 9076/A((((((((a))))))))\8B/ 9077 AaaB 9078 0: AaaB 9079 1: a 9080 2: a 9081 3: a 9082 4: a 9083 5: a 9084 6: a 9085 7: a 9086 8: a 9087 9088/A(((((((((a)))))))))\9B/ 9089 AaaB 9090 0: AaaB 9091 1: a 9092 2: a 9093 3: a 9094 4: a 9095 5: a 9096 6: a 9097 7: a 9098 8: a 9099 9: a 9100 9101/A[\8\9]B/ 9102 A8B 9103 0: A8B 9104 A9B 9105 0: A9B 9106 9107/(|ab)*?d/ 9108 abd 9109 0: abd 9110 1: ab 9111 xyd 9112 0: d 9113 9114/(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/ 9115 1234abcd 9116 0: 9117 1: <unset> 9118 2: <unset> 9119 3: <unset> 9120 4: <unset> 9121 5: 9122 9123/(\2|a)(\1)/ 9124 aaa 9125 0: aa 9126 1: a 9127 2: a 9128 9129/(\2)(\1)/ 9130 9131"Z*(|d*){216}" 9132 9133"(?1)(?#?'){8}(a)" 9134 baaaaaaaaac 9135 0: aaaaaaaaa 9136 1: a 9137 9138/((((((((((((x))))))))))))\12/ 9139 xx 9140 0: xx 9141 1: x 9142 2: x 9143 3: x 9144 4: x 9145 5: x 9146 6: x 9147 7: x 9148 8: x 9149 9: x 915010: x 915111: x 915212: x 9153 9154/A[\8]B[\9]C/ 9155 A8B9C 9156 0: A8B9C 9157 9158/(?1)()((((((\1++))\x85)+)|))/ 9159 \x85\x85 9160 0: \x85\x85 9161 1: 9162 2: \x85\x85 9163 3: \x85\x85 9164 4: \x85\x85 9165 5: \x85 9166 6: 9167 7: 9168 9169"(?|(\k'Pm')|(?'Pm'))" 9170 abcd 9171 0: 9172 1: 9173 9174/(?|(aaa)|(b))\g{1}/ 9175 aaaaaa 9176 0: aaaaaa 9177 1: aaa 9178 bb 9179 0: bb 9180 1: b 9181 9182/(?|(aaa)|(b))(?1)/ 9183 aaaaaa 9184 0: aaaaaa 9185 1: aaa 9186 baaa 9187 0: baaa 9188 1: b 9189\= Expect no match 9190 bb 9191No match 9192 9193/(?|(aaa)|(b))/ 9194 xaaa 9195 0: aaa 9196 1: aaa 9197 xbc 9198 0: b 9199 1: b 9200 9201/(?|(?'a'aaa)|(?'a'b))\k'a'/ 9202 aaaaaa 9203 0: aaaaaa 9204 1: aaa 9205 bb 9206 0: bb 9207 1: b 9208 9209/(?|(?'a'aaa)|(?'a'b))(?'a'cccc)\k'a'/dupnames 9210 aaaccccaaa 9211 0: aaaccccaaa 9212 1: aaa 9213 2: cccc 9214 bccccb 9215 0: bccccb 9216 1: b 9217 2: cccc 9218 9219# /x does not apply to MARK labels 9220 9221/x (*MARK:ab cd # comment 9222ef) x/x,mark 9223 axxz 9224 0: xx 9225MK: ab cd # comment\x0aef 9226 9227/(?<=a(B){0}c)X/ 9228 acX 9229 0: X 9230 9231/(?<DEFINE>b)(?(DEFINE)(a+))(?&DEFINE)/ 9232 bbbb 9233 0: bb 9234 1: b 9235\= Expect no match 9236 baaab 9237No match 9238 9239/(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[,;:])(?=.{8,16})(?!.*[\s])/ 9240 \ Fred:099 9241 0: 9242 9243/(?=.*X)X$/ 9244 \ X 9245 0: X 9246 9247/(?s)(?=.*?)b/ 9248 aabc 9249 0: b 9250 9251/(Z)(a)\2{1,2}?(?-i)\1X/i 9252 ZaAAZX 9253 0: ZaAAZX 9254 1: Z 9255 2: a 9256 9257/(?'c')XX(?'YYYYYYYYYYYYYYYYYYYYYYYCl')/ 9258 9259/[s[:digit:]\E-H]+/ 9260 s09-H 9261 0: s09-H 9262 9263/[s[:digit:]\Q\E-H]+/ 9264 s09-H 9265 0: s09-H 9266 9267/a+(?:|b)a/ 9268 aaaa 9269 0: aaaa 9270 9271/X?(R||){3335}/ 9272 9273/(?1)(A(*COMMIT)|B)D/ 9274 ABD 9275 0: ABD 9276 1: B 9277 XABD 9278 0: ABD 9279 1: B 9280 BAD 9281 0: BAD 9282 1: A 9283 ABXABD 9284 0: ABD 9285 1: B 9286\= Expect no match 9287 ABX 9288No match 9289 9290/(?(DEFINE)(?<m> 1? (?=(?<cond>2)?) 1 2 (?('cond')|3))) 9291 \A 9292 () 9293 (?&m) 9294 \Z/x 9295 123 9296 0: 123 9297 1: <unset> 9298 2: <unset> 9299 3: 9300 9301/^(?: 9302(?: A| (1? (?=(?<cond>2)?) (1) 2 (?('cond')|3)) ) 9303(Z) 9304)+$/x 9305 AZ123Z 9306 0: AZ123Z 9307 1: 123 9308 2: <unset> 9309 3: 1 9310 4: Z 9311\= Expect no match 9312 AZ12Z 9313No match 9314 9315/^ (?(DEFINE) ( (?!(a)\2b)..) ) ()(?1) /x 9316 acb 9317 0: ac 9318 1: <unset> 9319 2: <unset> 9320 3: 9321\= Expect no match 9322 aab 9323No match 9324 9325'(?>ab|abab){1,5}?M' 9326 abababababababababababM 9327 0: abababababM 9328 9329'(?>ab|abab){2}?M' 9330 abababM 9331 0: ababM 9332 9333'((?(?=(a))a)+k)' 9334 bbak 9335 0: ak 9336 1: ak 9337 2: a 9338 9339'((?(?=(a))a|)+k)' 9340 bbak 9341 0: ak 9342 1: ak 9343 2: a 9344 9345'(?(?!(b))a|b)+k' 9346 ababbalbbadabak 9347 0: abak 9348 1: b 9349 9350/(?!(b))c|b/ 9351 Ab 9352 0: b 9353 Ac 9354 0: c 9355 9356/(?=(b))b|c/ 9357 Ab 9358 0: b 9359 1: b 9360 Ac 9361 0: c 9362 9363/^(.|(.)(?1)\2)$/ 9364 a 9365 0: a 9366 1: a 9367 aba 9368 0: aba 9369 1: aba 9370 2: a 9371 abcba 9372 0: abcba 9373 1: abcba 9374 2: a 9375 ababa 9376 0: ababa 9377 1: ababa 9378 2: a 9379 abcdcba 9380 0: abcdcba 9381 1: abcdcba 9382 2: a 9383 9384/^((.)(?1)\2|.?)$/ 9385 a 9386 0: a 9387 1: a 9388 aba 9389 0: aba 9390 1: aba 9391 2: a 9392 abba 9393 0: abba 9394 1: abba 9395 2: a 9396 abcba 9397 0: abcba 9398 1: abcba 9399 2: a 9400 ababa 9401 0: ababa 9402 1: ababa 9403 2: a 9404 abccba 9405 0: abccba 9406 1: abccba 9407 2: a 9408 abcdcba 9409 0: abcdcba 9410 1: abcdcba 9411 2: a 9412 abcddcba 9413 0: abcddcba 9414 1: abcddcba 9415 2: a 9416 9417/^(.)(\1|a(?2))/ 9418 bab 9419 0: bab 9420 1: b 9421 2: ab 9422 9423/^(.|(.)(?1)?\2)$/ 9424 abcba 9425 0: abcba 9426 1: abcba 9427 2: a 9428 9429/^(?(?=(a))abc|def)/ 9430 abc 9431 0: abc 9432 1: a 9433 9434/^(?(?!(a))def|abc)/ 9435 abc 9436 0: abc 9437 1: a 9438 9439/^(?(?=(a)(*ACCEPT))abc|def)/ 9440 abc 9441 0: abc 9442 1: a 9443 9444/^(?(?!(a)(*ACCEPT))def|abc)/ 9445 abc 9446 0: abc 9447 1: a 9448 9449/^(?1)\d{3}(a)/ 9450 a123a 9451 0: a123a 9452 1: a 9453 9454# This pattern uses a lot of named subpatterns in order to match email 9455# addresses in various formats. It's a heavy test for named subpatterns. In the 9456# <atext> group, slash is coded as \x{2f} so that this pattern can also be 9457# processed by perltest.sh, which does not cater for an escaped delimiter 9458# within the pattern. $ within the pattern must also be escaped. All $ and @ 9459# characters in subject strings are escaped so that Perl doesn't interpret them 9460# as variable insertions and " characters must also be escaped for Perl. 9461 9462# This set of subpatterns is more or less a direct transliteration of the BNF 9463# definitions in RFC2822, without any of the obsolete features. The addition of 9464# a possessive + to the definition of <phrase> reduced the match limit in PCRE2 9465# from over 5 million to just under 400, and eliminated a very noticeable delay 9466# when this file was passed to perltest.sh. 9467 9468/(?ix)(?(DEFINE) 9469(?<addr_spec> (?&local_part) \@ (?&domain) ) 9470(?<angle_addr> (?&CFWS)?+ < (?&addr_spec) > (?&CFWS)?+ ) 9471(?<atext> [a-z\d!#\$%&'*+-\x{2f}=?^_`{|}~] ) 9472(?<atom> (?&CFWS)?+ (?&atext)+ (?&CFWS)?+ ) 9473(?<ccontent> (?&ctext) | (?"ed_pair) | (?&comment) ) 9474(?<ctext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ ()\\] ) 9475(?<comment> \( (?: (?&FWS)?+ (?&ccontent) )*+ (?&FWS)?+ \) ) 9476(?<CFWS> (?: (?&FWS)?+ (?&comment) )* (?# NOT possessive) 9477 (?: (?&FWS)?+ (?&comment) | (?&FWS) ) ) 9478(?<dcontent> (?&dtext) | (?"ed_pair) ) 9479(?<display_name> (?&phrase) ) 9480(?<domain> (?&dot_atom) | (?&domain_literal) ) 9481(?<domain_literal> (?&CFWS)?+ \[ (?: (?&FWS)?+ (?&dcontent) )* (?&FWS)?+ \] 9482 (?&CFWS)?+ ) 9483(?<dot_atom> (?&CFWS)?+ (?&dot_atom_text) (?&CFWS)?+ ) 9484(?<dot_atom_text> (?&atext)++ (?: \. (?&atext)++)*+ ) 9485(?<dtext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ \[\]\\] ) 9486(?<FWS> (?: [\t\ ]*+ \n)?+ [\t\ ]++ ) 9487(?<local_part> (?&dot_atom) | (?"ed_string) ) 9488(?<mailbox> (?&name_addr) | (?&addr_spec) ) 9489(?<name_addr> (?&display_name)? (?&angle_addr) ) 9490(?<phrase> (?&word)++ ) 9491(?<qcontent> (?&qtext) | (?"ed_pair) ) 9492(?<quoted_pair> " (?&text) ) 9493(?<quoted_string> (?&CFWS)?+ " (?: (?&FWS)?+ (?&qcontent))* (?&FWS)?+ " 9494 (?&CFWS)?+ ) 9495(?<qtext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ "\\] ) 9496(?<text> [^\r\n] ) 9497(?<word> (?&atom) | (?"ed_string) ) 9498) # End DEFINE 9499^(?&mailbox)$/ 9500 Alan Other <user\@dom.ain> 9501 0: Alan Other <user@dom.ain> 9502 <user\@dom.ain> 9503 0: <user@dom.ain> 9504 user\@dom.ain 9505 0: user@dom.ain 9506 user\@[] 9507 0: user@[] 9508 user\@[domain literal] 9509 0: user@[domain literal] 9510 user\@[domain literal with \"[square brackets\"] inside] 9511 0: user@[domain literal with "[square brackets"] inside] 9512 \"A. Other\" <user.1234\@dom.ain> (a comment) 9513 0: "A. Other" <user.1234@dom.ain> (a comment) 9514 A. Other <user.1234\@dom.ain> (a comment) 9515 0: A. Other <user.1234@dom.ain> (a comment) 9516 \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay 9517 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay 9518\= Expect no match 9519 A missing angle <user\@some.where 9520No match 9521 The quick brown fox 9522No match 9523 9524# -------------------------------------------------------------------------- 9525 9526# This pattern uses named groups to match default PCRE2 patterns. It's another 9527# heavy test for named subpatterns. Once again, code slash as \x{2f} and escape 9528# $ even in classes so that this works with pcre2test. 9529 9530/(?sx)(?(DEFINE) 9531 9532(?<assertion> (?&simple_assertion) | (?&lookaround) ) 9533 9534(?<atomic_group> \( \? > (?®ex) \) ) 9535 9536(?<back_reference> \\ \d+ | 9537 \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | 9538 \\k <(?&groupname)> | 9539 \\k '(?&groupname)' | 9540 \\k \{ (?&groupname) \} | 9541 \( \? P= (?&groupname) \) ) 9542 9543(?<branch> (?:(?&assertion) | 9544 (?&callout) | 9545 (?&comment) | 9546 (?&option_setting) | 9547 (?&qualified_item) | 9548 (?"ed_string) | 9549 (?"ed_string_empty) | 9550 (?&special_escape) | 9551 (?&verb) 9552 )* ) 9553 9554(?<callout> \(\?C (?: \d+ | 9555 (?: (?<D>["'`^%\#\$]) 9556 (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | 9557 \{ (?: \}\} | [^}]*+ )* \} ) 9558 )? \) ) 9559 9560(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? 9561 (?®ex) \) ) 9562 9563(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] ) 9564 9565(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] ) 9566 9567(?<class_item> (?: \[ : (?: 9568 alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| 9569 punct|space|upper|word|xdigit 9570 ) : \] | 9571 (?"ed_string) | 9572 (?"ed_string_empty) | 9573 (?&escaped_character) | 9574 (?&character_type) | 9575 [^]] ) ) 9576 9577(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E ) 9578 9579(?<condition> (?: \( [+-]? \d+ \) | 9580 \( < (?&groupname) > \) | 9581 \( ' (?&groupname) ' \) | 9582 \( R \d* \) | 9583 \( R & (?&groupname) \) | 9584 \( (?&groupname) \) | 9585 \( DEFINE \) | 9586 \( VERSION >?=\d+(?:\.\d\d?)? \) | 9587 (?&callout)?+ (?&comment)* (?&lookaround) ) ) 9588 9589(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) ) 9590 9591(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) 9592 \k'delimiter' .* ) 9593 9594(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | 9595 x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | 9596 [aefnrt] | c[[:print:]] | 9597 [^[:alnum:]] ) ) 9598 9599(?<group> (?&capturing_group) | (?&non_capturing_group) | 9600 (?&resetting_group) | (?&atomic_group) | 9601 (?&conditional_group) ) 9602 9603(?<groupname> [a-zA-Z_]\w* ) 9604 9605(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] ) 9606 9607(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) ) 9608 9609(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) ) 9610 9611(?<option_setting> \(\? [iJmnsUx-]* \) ) 9612 9613(?<qualified_item> (?:\. | 9614 (?&lookaround) | 9615 (?&back_reference) | 9616 (?&character_class) | 9617 (?&character_type) | 9618 (?&escaped_character) | 9619 (?&group) | 9620 (?&subroutine_call) | 9621 (?&literal_character) | 9622 (?"ed_string) 9623 ) (?&comment)? (?&qualifier)? ) 9624 9625(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? ) 9626 9627(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) 9628 9629(?<quoted_string_empty> \\Q\\E ) 9630 9631(?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} ) 9632 9633(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* ) 9634 9635(?<resetting_group> \( \? \| (?®ex) \) ) 9636 9637(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z ) 9638 9639(?<special_escape> \\K ) 9640 9641(?<start_item> \( \* (?: 9642 ANY | 9643 ANYCRLF | 9644 BSR_ANYCRLF | 9645 BSR_UNICODE | 9646 CR | 9647 CRLF | 9648 LF | 9649 LIMIT_MATCH=\d+ | 9650 LIMIT_DEPTH=\d+ | 9651 LIMIT_HEAP=\d+ | 9652 NOTEMPTY | 9653 NOTEMPTY_ATSTART | 9654 NO_AUTO_POSSESS | 9655 NO_DOTSTAR_ANCHOR | 9656 NO_JIT | 9657 NO_START_OPT | 9658 NUL | 9659 UTF | 9660 UCP ) \) ) 9661 9662(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | 9663 \(\? (?: & | P> ) (?&groupname) \) | 9664 \\g < (?&groupname) > | 9665 \\g ' (?&groupname) ' | 9666 \\g < [+-]? \d+ > | 9667 \\g ' [+-]? \d+ ) ) 9668 9669(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | 9670 (?:MARK)?:(?&verbname) | 9671 (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) ) 9672 9673(?<verbname> [^)]+ ) 9674 9675) # End DEFINE 9676# Kick it all off... 9677^(?&delimited_regex)$/subject_literal,jitstack=256 9678 /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ 9679 0: /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ 9680 /(cat(a(ract|tonic)|erpillar)) \1()2(3)/ 9681 0: /(cat(a(ract|tonic)|erpillar)) \1()2(3)/ 9682 /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ 9683 0: /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ 9684 /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ 9685 0: /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ 9686 /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is 9687 0: /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is 9688 /^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) / 9689 0: /^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) / 9690 /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ 9691 0: /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ 9692 /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ 9693 0: /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ 9694 /^(\w++|\s++)*$/ 9695 0: /^(\w++|\s++)*$/ 9696 /a+b?(*THEN)c+(*FAIL)/ 9697 0: /a+b?(*THEN)c+(*FAIL)/ 9698 /(A (A|B(*ACCEPT)|C) D)(E)/x 9699 0: /(A (A|B(*ACCEPT)|C) D)(E)/x 9700 /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i 9701 0: /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i 9702 /A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B 9703 0: /A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B 9704 /(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info 9705 0: /(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info 9706 /(?sx)(?(DEFINE)(?<assertion> (?&simple_assertion) | (?&lookaround) )(?<atomic_group> \( \? > (?®ex) \) )(?<back_reference> \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(?<branch> (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(?<callout> \(\?C (?: \d+ | (?: (?<D>["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(?<class_item> (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(?<condition> (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(?<group> (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(?<groupname> [a-zA-Z_]\w* )(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) )(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) )(?<option_setting> \(\? [iJmnsUx-]* \) )(?<qualified_item> (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? )(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (?<quoted_string_empty> \\Q\\E ) (?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* )(?<resetting_group> \( \? \| (?®ex) \) )(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(?<special_escape> \\K )(?<start_item> \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(?<verbname> [^)]+ ))^(?&delimited_regex)$/ 9707 0: /(?sx)(?(DEFINE)(?<assertion> (?&simple_assertion) | (?&lookaround) )(?<atomic_group> \( \? > (?®ex) \) )(?<back_reference> \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(?<branch> (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(?<callout> \(\?C (?: \d+ | (?: (?<D>["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(?<class_item> (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(?<condition> (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(?<group> (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(?<groupname> [a-zA-Z_]\w* )(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) )(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) )(?<option_setting> \(\? [iJmnsUx-]* \) )(?<qualified_item> (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? )(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (?<quoted_string_empty> \\Q\\E ) (?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* )(?<resetting_group> \( \? \| (?®ex) \) )(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(?<special_escape> \\K )(?<start_item> \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(?<verbname> [^)]+ ))^(?&delimited_regex)$/ 9708\= Expect no match 9709 /((?(?C'')\QX\E(?!((?(?C'')(?!X=X));=)r*X=X));=)/ 9710No match 9711 /(?:(?(2y)a|b)(X))+/ 9712No match 9713 /a(*MARK)b/ 9714No match 9715 /a(*CR)b/ 9716No match 9717 /(?P<abn>(?P=abn)(?<badstufxxx)/ 9718No match 9719 9720# -------------------------------------------------------------------------- 9721 9722/<(?x:[a b])>/xx 9723 < > 9724 0: < > 9725 9726/<(?:[a b])>/xx 9727 < > 9728No match 9729 9730/<(?xxx:[a b])>/ 9731 < > 9732No match 9733 9734/<(?-x:[a b])>/xx 9735 < > 9736 0: < > 9737 9738/[[:digit:]-]+/ 9739 12-24 9740 0: 12-24 9741 9742/((?<=((*ACCEPT)) )\1?\b) / 9743\= Expect no match 9744 ((?<=((*ACCEPT)) )\\1?\\b)\x20 9745No match 9746 9747/((?<=((*ACCEPT))X)\1?Y)\1/ 9748 XYYZ 9749 0: YY 9750 1: Y 9751 2: 9752 9753/((?<=((*ACCEPT))X)\1?Y(*ACCEPT))\1/ 9754 XYYZ 9755 0: Y 9756 1: Y 9757 2: 9758 9759/(?(DEFINE)(?<optional_a>a?)X)^(?&optional_a)a$/ 9760 aa 9761 0: aa 9762 a 9763 0: a 9764 9765/^(a?)b(?1)a/ 9766 abaa 9767 0: abaa 9768 1: a 9769 aba 9770 0: aba 9771 1: a 9772 baa 9773 0: baa 9774 1: 9775 ba 9776 0: ba 9777 1: 9778 9779/^(a?)+b(?1)a/ 9780 abaa 9781 0: abaa 9782 1: 9783 aba 9784 0: aba 9785 1: 9786 baa 9787 0: baa 9788 1: 9789 ba 9790 0: ba 9791 1: 9792 9793/^(a?)++b(?1)a/ 9794 abaa 9795 0: abaa 9796 1: 9797 aba 9798 0: aba 9799 1: 9800 baa 9801 0: baa 9802 1: 9803 ba 9804 0: ba 9805 1: 9806 9807/^(a?)+b/ 9808 b 9809 0: b 9810 1: 9811 ab 9812 0: ab 9813 1: 9814 aaab 9815 0: aaab 9816 1: 9817 9818/(?=a+)a(a+)++b/ 9819 aab 9820 0: aab 9821 1: a 9822 9823/(?<=\G.)/g,aftertext 9824 abc 9825 0: 9826 0+ bc 9827 0: 9828 0+ c 9829 0: 9830 0+ 9831 9832/(?<=(?=.)?)/ 9833 9834/(?<=(?=.)?+)/ 9835 9836/(?<=(?=.)*)/ 9837 9838/(?<=(?=.){4,5})/ 9839 9840/(?<=(?=.){4,5}x)/ 9841 9842/a(?=.(*:X))(*SKIP:X)(*F)|(.)/ 9843 abc 9844 0: a 9845 1: a 9846 9847/a(?>(*:X))(*SKIP:X)(*F)|(.)/ 9848 abc 9849 0: a 9850 1: a 9851 9852/a(?:(*:X))(*SKIP:X)(*F)|(.)/ 9853 abc 9854 0: b 9855 1: b 9856 9857#pattern no_start_optimize 9858 9859/(?>a(*:1))(?>b(*:1))(*SKIP:1)x|.*/ 9860 abc 9861 0: abc 9862 9863/(?>a(*:1))(?>b)(*SKIP:1)x|.*/ 9864 abc 9865 0: abc 9866 9867#subject mark 9868 9869/a(*ACCEPT:X)b/ 9870 abc 9871 0: a 9872MK: X 9873 9874/(?=a(*ACCEPT:QQ)bc)axyz/ 9875 axyz 9876 0: axyz 9877MK: QQ 9878 9879/(?(DEFINE)(a(*ACCEPT:X)))(?1)b/ 9880 abc 9881 0: ab 9882MK: X 9883 9884/a(*F:X)b/ 9885 abc 9886No match, mark = X 9887 9888/(?(DEFINE)(a(*F:X)))(?1)b/ 9889 abc 9890No match, mark = X 9891 9892/a(*COMMIT:X)b/ 9893 abc 9894 0: ab 9895MK: X 9896 9897/(?(DEFINE)(a(*COMMIT:X)))(?1)b/ 9898 abc 9899 0: ab 9900MK: X 9901 9902/a+(*:Z)b(*COMMIT:X)(*SKIP:Z)c|.*/ 9903 aaaabd 9904 0: bd 9905 9906/a+(*:Z)b(*COMMIT:X)(*SKIP:X)c|.*/ 9907 aaaabd 9908No match, mark = X 9909 9910/a(*COMMIT:X)b/ 9911 axabc 9912No match, mark = X 9913 9914#pattern -no_start_optimize 9915#subject -mark 9916 9917/(.COMMIT)(*COMMIT::::::::::interal error:::)/ 9918 9919/(*COMMIT:��)/ 9920 9921/(*COMMIT:]w)/ 9922 9923/(?i)A(?^)B(?^x:C D)(?^i)e f/ 9924 aBCDE F 9925 0: aBCDE F 9926\= Expect no match 9927 aBCDEF 9928No match 9929 AbCDe f 9930No match 9931 9932# End of testinput1 9933
