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      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 charT* ptr, flag_type f = regex_constants::ECMAScript);
     15 
     16 #include <regex>
     17 #include <cassert>
     18 
     19 int main()
     20 {
     21     std::regex r2;
     22     r2.assign("(a([bc]))");
     23     assert(r2.flags() == std::regex::ECMAScript);
     24     assert(r2.mark_count() == 2);
     25 
     26     r2.assign("(a([bc]))", std::regex::extended);
     27     assert(r2.flags() == std::regex::extended);
     28     assert(r2.mark_count() == 2);
     29 }
     30