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1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 //                     The LLVM Compiler Infrastructure
5 //
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 
11 // <regex>
12 
13 // match_not_bol:
14 //     The first character in the sequence [first,last) shall be treated as
15 //     though it is not at the beginning of a line, so the character ^ in the
16 //     regular expression shall not match [first,first).
17 
18 #include <regex>
19 #include <cassert>
20 #include "test_macros.h"
21 
main()22 int main()
23 {
24     {
25     std::string target = "foo";
26     std::regex re("^foo");
27     assert( std::regex_match(target, re));
28     assert(!std::regex_match(target, re, std::regex_constants::match_not_bol));
29     }
30 
31     {
32     std::string target = "foo";
33     std::regex re("foo");
34     assert( std::regex_match(target, re));
35     assert( std::regex_match(target, re, std::regex_constants::match_not_bol));
36     }
37 
38     {
39     std::string target = "fooby";
40     std::regex re("^foo");
41     assert( std::regex_search(target, re));
42     assert(!std::regex_search(target, re, std::regex_constants::match_not_bol));
43     }
44 
45     {
46     std::string target = "fooby";
47     std::regex re("foo");
48     assert( std::regex_search(target, re));
49     assert( std::regex_search(target, re, std::regex_constants::match_not_bol));
50     }
51 }
52