1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <regex>
10
11// match_not_bol:
12// The first character in the sequence [first,last) shall be treated as
13// though it is not at the beginning of a line, so the character ^ in the
14// regular expression shall not match [first,first).
15
16#include <regex>
17#include <cassert>
18#include "test_macros.h"
19
20int main(int, char**)
21{
22 {
23 std::string target = "foo";
24 std::regex re("^foo");
25 assert( std::regex_match(target, re));
26 assert(!std::regex_match(target, re, std::regex_constants::match_not_bol));
27 }
28
29 {
30 std::string target = "foo";
31 std::regex re("foo");
32 assert( std::regex_match(target, re));
33 assert( std::regex_match(target, re, std::regex_constants::match_not_bol));
34 }
35
36 {
37 std::string target = "fooby";
38 std::regex re("^foo");
39 assert( std::regex_search(target, re));
40 assert(!std::regex_search(target, re, std::regex_constants::match_not_bol));
41 }
42
43 {
44 std::string target = "fooby";
45 std::regex re("foo");
46 assert( std::regex_search(target, re));
47 assert( std::regex_search(target, re, std::regex_constants::match_not_bol));
48 }
49
50 return 0;
51}
52

source code of libcxx/test/std/re/re.const/re.matchflag/match_not_bol.pass.cpp