text: //===----------------------------------------------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is dual licensed under the MIT and the University of Illinois Open
  // Source Licenses. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  // <regex>
  
  //   template <class ST, class SA, class Allocator, class charT, class traits> 
  //   bool regex_match(const basic_string<charT, ST, SA>&&, 
  //                    match_results<
  //                      typename basic_string<charT, ST, SA>::const_iterator, 
  //                      Allocator>&, 
  //                    const basic_regex<charT, traits>&, 
  //                    regex_constants::match_flag_type = 
  //                      regex_constants::match_default) = delete;
  
  #if __cplusplus <= 201402L
  #error
  #else
  
  #include <regex>
  #include <cassert>
  
  int main()
  {
      {
          std::smatch m;
          std::regex re{"*"};
          std::regex_match(std::string("abcde"), m, re);
      }
  }
  #endif
  