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 #include "test_macros.h" 19 main()20int main() 21 { 22 std::regex r1("(a([bc]))"); 23 std::regex r2 = r1; 24 assert(r2.flags() == std::regex::ECMAScript); 25 assert(r2.mark_count() == 2); 26 } 27