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& assign(const basic_regex& that); 15 16 #include <regex> 17 #include <cassert> 18 19 int main() 20 { 21 std::regex r1("(a([bc]))"); 22 std::regex r2; 23 r2.assign(r1); 24 assert(r2.flags() == std::regex::ECMAScript); 25 assert(r2.mark_count() == 2); 26 assert(std::regex_search("ab", r2)); 27 28 bool caught = false; 29 try { r2.assign("(def", std::regex::extended); } 30 catch(std::regex_error &) { caught = true; } 31 assert(caught); 32 assert(r2.flags() == std::regex::ECMAScript); 33 assert(r2.mark_count() == 2); 34 assert(std::regex_search("ab", r2)); 35 } 36
