1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <regex>
11
12// template <class charT, class traits = regex_traits<charT>> class basic_regex;
13
14// template <class string_traits, class A>
15//   basic_regex& assign(const basic_string<charT, string_traits, A>& s,
16//                       flag_type f = regex_constants::ECMAScript);
17
18#include <regex>
19#include <cassert>
20
21int main()
22{
23    std::regex r2;
24    r2.assign(std::string("(a([bc]))"));
25    assert(r2.flags() == std::regex::ECMAScript);
26    assert(r2.mark_count() == 2);
27
28    r2.assign(std::string("(a([bc]))"), std::regex::extended);
29    assert(r2.flags() == std::regex::extended);
30    assert(r2.mark_count() == 2);
31}
32