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 BidirectionalIterator, class Allocator, class charT, class traits>
13 // bool
14 // regex_search(BidirectionalIterator first, BidirectionalIterator last,
15 // match_results<BidirectionalIterator, Allocator>& m,
16 // const basic_regex<charT, traits>& e,
17 // regex_constants::match_flag_type flags = regex_constants::match_default);
18
19 // https://bugs.llvm.org/show_bug.cgi?id=11118
20
21 #include <regex>
22 #include <cassert>
23 #include "test_macros.h"
24
main()25 int main()
26 {
27 assert(!std::regex_search("ab", std::regex("(?=^)b")));
28 assert(!std::regex_search("ab", std::regex("a(?=^)b")));
29 }
30