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
main()21 int main()
22 {
23 {
24 std::string target = "foo";
25 std::regex re("^foo");
26 assert( std::regex_match(target, re));
27 assert(!std::regex_match(target, re, std::regex_constants::match_not_bol));
28 }
29
30 {
31 std::string target = "foo";
32 std::regex re("foo");
33 assert( std::regex_match(target, re));
34 assert( std::regex_match(target, re, std::regex_constants::match_not_bol));
35 }
36
37 {
38 std::string target = "fooby";
39 std::regex re("^foo");
40 assert( std::regex_search(target, re));
41 assert(!std::regex_search(target, re, std::regex_constants::match_not_bol));
42 }
43
44 {
45 std::string target = "fooby";
46 std::regex re("foo");
47 assert( std::regex_search(target, re));
48 assert( std::regex_search(target, re, std::regex_constants::match_not_bol));
49 }
50 }
51