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 
main()21 int 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