test3.pass.cpp
3.27 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class traits, class charT, class ST, class SA, class FST, class FSA>>
// basic_string<charT, ST, SA>
// regex_replace(const basic_string<charT, ST, SA>& s,
// const basic_regex<charT, traits>& e,
// const basic_string<charT, FST, FSA>& fmt,
// regex_constants::match_flag_type flags =
// regex_constants::match_default);
#include <regex>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
std::regex phone_numbers("\\d{3}-\\d{4}");
std::string phone_book("555-1234, 555-2345, 555-3456");
std::string r = std::regex_replace(phone_book, phone_numbers,
std::string("123-$&"));
assert(r == "123-555-1234, 123-555-2345, 123-555-3456");
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
std::string phone_book("555-1234, 555-2345, 555-3456");
std::string r = std::regex_replace(phone_book, phone_numbers,
std::string("123-$&"),
std::regex_constants::format_sed);
assert(r == "123-$555-1234, 123-$555-2345, 123-$555-3456");
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
std::string phone_book("555-1234, 555-2345, 555-3456");
std::string r = std::regex_replace(phone_book, phone_numbers,
std::string("123-&"),
std::regex_constants::format_sed);
assert(r == "123-555-1234, 123-555-2345, 123-555-3456");
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
std::string phone_book("555-1234, 555-2345, 555-3456");
std::string r = std::regex_replace(phone_book, phone_numbers,
std::string("123-$&"),
std::regex_constants::format_no_copy);
assert(r == "123-555-1234123-555-2345123-555-3456");
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
std::string phone_book("555-1234, 555-2345, 555-3456");
std::string r = std::regex_replace(phone_book, phone_numbers,
std::string("123-$&"),
std::regex_constants::format_first_only);
assert(r == "123-555-1234, 555-2345, 555-3456");
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
std::string phone_book("555-1234, 555-2345, 555-3456");
std::string r = std::regex_replace(phone_book, phone_numbers,
std::string("123-$&"),
std::regex_constants::format_first_only |
std::regex_constants::format_no_copy);
assert(r == "123-555-1234");
}
return 0;
}