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// basic_regex(const basic_regex& e); 15 16#include <regex> 17#include <cassert> 18 19int main() 20{ 21 std::regex r1("(a([bc]))"); 22 std::regex r2 = r1; 23 assert(r2.flags() == std::regex::ECMAScript); 24 assert(r2.mark_count() == 2); 25} 26