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// template <class BidirectionalIterator, class Allocator, class charT, class traits>
12// bool
13// regex_match(BidirectionalIterator first, BidirectionalIterator last,
14// match_results<BidirectionalIterator, Allocator>& m,
15// const basic_regex<charT, traits>& e,
16// regex_constants::match_flag_type flags = regex_constants::match_default);
17
18// https://llvm.org/PR16135
19
20#include <string>
21#include <regex>
22#include <cassert>
23#include "test_macros.h"
24
25void
26test1()
27{
28 std::string re("\\{a\\}");
29 std::string target("{a}");
30 std::regex regex(re);
31 std::smatch smatch;
32 assert((std::regex_match(target, smatch, regex)));
33}
34
35void
36test2()
37{
38 std::string re("\\{a\\}");
39 std::string target("{a}");
40 std::regex regex(re, std::regex::extended);
41 std::smatch smatch;
42 assert((std::regex_match(target, smatch, regex)));
43}
44
45void
46test3()
47{
48 std::string re("\\{a\\}");
49 std::string target("{a}");
50 std::regex regex(re, std::regex::awk);
51 std::smatch smatch;
52 assert((std::regex_match(target, smatch, regex)));
53}
54
55void
56test4()
57{
58 std::string re("\\{a\\}");
59 std::string target("{a}");
60 std::regex regex(re, std::regex::egrep);
61 std::smatch smatch;
62 assert((std::regex_match(target, smatch, regex)));
63}
64
65int main(int, char**)
66{
67 test1();
68 test2();
69 test3();
70 test4();
71
72 return 0;
73}
74

source code of libcxx/test/std/re/re.alg/re.alg.match/parse_curly_brackets.pass.cpp