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 charT, class traits = regex_traits<charT>> class basic_regex;
12
13// template <class ST, class SA>
14// basic_regex& operator=(const basic_string<charT, ST, SA>& p);
15
16#include <regex>
17#include <cassert>
18#include "test_macros.h"
19
20int main(int, char**)
21{
22 std::regex r2;
23 r2 = std::string("(a([bc]))");
24 assert(r2.flags() == std::regex::ECMAScript);
25 assert(r2.mark_count() == 2);
26
27 return 0;
28}
29

source code of libcxx/test/std/re/re.regex/re.regex.assign/string.pass.cpp