|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | //                     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 BidirectionalIterator, class Allocator, class charT, class traits> | 
|  | //     bool | 
|  | //     regex_search(BidirectionalIterator first, BidirectionalIterator last, | 
|  | //                  match_results<BidirectionalIterator, Allocator>& m, | 
|  | //                  const basic_regex<charT, traits>& e, | 
|  | //                  regex_constants::match_flag_type flags = regex_constants::match_default); | 
|  |  | 
|  | // http://llvm.org/bugs/show_bug.cgi?id=11118 | 
|  |  | 
|  | #include <regex> | 
|  | #include <cassert> | 
|  |  | 
|  | int main() | 
|  | { | 
|  | assert(!std::regex_search("ab", std::regex("(?=^)b"))); | 
|  | assert(!std::regex_search("ab", std::regex("a(?=^)b"))); | 
|  | } |