1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <regex>
11
12 // class regex_token_iterator<BidirectionalIterator, charT, traits>
13
14 // regex_token_iterator& operator++(int);
15
16 #include <regex>
17 #include <cassert>
18
main()19 int main()
20 {
21 {
22 std::regex phone_numbers("\\d{3}-\\d{4}");
23 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
24 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
25 phone_numbers, -1);
26 assert(i != std::cregex_token_iterator());
27 assert(i->str() == "start ");
28 i++;
29 assert(i != std::cregex_token_iterator());
30 assert(i->str() == ", ");
31 i++;
32 assert(i != std::cregex_token_iterator());
33 assert(i->str() == ", ");
34 i++;
35 assert(i != std::cregex_token_iterator());
36 assert(i->str() == " end");
37 i++;
38 assert(i == std::cregex_token_iterator());
39 }
40 {
41 std::regex phone_numbers("\\d{3}-\\d{4}");
42 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
43 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
44 phone_numbers);
45 assert(i != std::cregex_token_iterator());
46 assert(i->str() == "555-1234");
47 i++;
48 assert(i != std::cregex_token_iterator());
49 assert(i->str() == "555-2345");
50 i++;
51 assert(i != std::cregex_token_iterator());
52 assert(i->str() == "555-3456");
53 i++;
54 assert(i == std::cregex_token_iterator());
55 }
56 {
57 std::regex phone_numbers("\\d{3}-(\\d{4})");
58 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
59 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
60 phone_numbers, 1);
61 assert(i != std::cregex_token_iterator());
62 assert(i->str() == "1234");
63 i++;
64 assert(i != std::cregex_token_iterator());
65 assert(i->str() == "2345");
66 i++;
67 assert(i != std::cregex_token_iterator());
68 assert(i->str() == "3456");
69 i++;
70 assert(i == std::cregex_token_iterator());
71 }
72 }
73