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 // class regex_token_iterator<BidirectionalIterator, charT, traits>
13
14 // regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
15 // const regex_type& re,
16 // initializer_list<int> submatches,
17 // regex_constants::match_flag_type m =
18 // regex_constants::match_default);
19
20 #include <regex>
21 #include <cassert>
22
main()23 int main()
24 {
25 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
26 {
27 std::regex phone_numbers("\\d{3}-(\\d{4})");
28 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
29 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
30 phone_numbers, {-1, 0, 1});
31 assert(i != std::cregex_token_iterator());
32 assert(i->str() == "start ");
33 ++i;
34 assert(i != std::cregex_token_iterator());
35 assert(i->str() == "555-1234");
36 ++i;
37 assert(i != std::cregex_token_iterator());
38 assert(i->str() == "1234");
39 ++i;
40 assert(i != std::cregex_token_iterator());
41 assert(i->str() == ", ");
42 ++i;
43 assert(i != std::cregex_token_iterator());
44 assert(i->str() == "555-2345");
45 ++i;
46 assert(i != std::cregex_token_iterator());
47 assert(i->str() == "2345");
48 ++i;
49 assert(i != std::cregex_token_iterator());
50 assert(i->str() == ", ");
51 ++i;
52 assert(i != std::cregex_token_iterator());
53 assert(i->str() == "555-3456");
54 ++i;
55 assert(i != std::cregex_token_iterator());
56 assert(i->str() == "3456");
57 ++i;
58 assert(i != std::cregex_token_iterator());
59 assert(i->str() == " end");
60 ++i;
61 assert(i == std::cregex_token_iterator());
62 }
63 #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
64 }
65