blob: 3ad1f2f56702156a102d3401177496a649d24542 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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 OutputIterator, class BidirectionalIterator,
// class traits, class charT, class ST, class SA>
// OutputIterator
// regex_replace(OutputIterator out,
// BidirectionalIterator first, BidirectionalIterator last,
// const basic_regex<charT, traits>& e,
// const charT* fmt,
// regex_constants::match_flag_type flags =
// regex_constants::match_default);
#include <regex>
#include <cassert>
#include "../../iterators.h"
int main()
{
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "555-1234, 555-2345, 555-3456";
typedef output_iterator<char*> Out;
typedef bidirectional_iterator<const char*> Bi;
char buf[100] = {0};
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
Bi(std::end(phone_book)-1), phone_numbers,
"123-$&");
assert(r.base() == buf+40);
assert(buf == std::string("123-555-1234, 123-555-2345, 123-555-3456"));
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "555-1234, 555-2345, 555-3456";
typedef output_iterator<char*> Out;
typedef bidirectional_iterator<const char*> Bi;
char buf[100] = {0};
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
Bi(std::end(phone_book)-1), phone_numbers,
"123-$&",
std::regex_constants::format_sed);
assert(r.base() == buf+43);
assert(buf == std::string("123-$555-1234, 123-$555-2345, 123-$555-3456"));
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "555-1234, 555-2345, 555-3456";
typedef output_iterator<char*> Out;
typedef bidirectional_iterator<const char*> Bi;
char buf[100] = {0};
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
Bi(std::end(phone_book)-1), phone_numbers,
"123-&",
std::regex_constants::format_sed);
assert(r.base() == buf+40);
assert(buf == std::string("123-555-1234, 123-555-2345, 123-555-3456"));
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "555-1234, 555-2345, 555-3456";
typedef output_iterator<char*> Out;
typedef bidirectional_iterator<const char*> Bi;
char buf[100] = {0};
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
Bi(std::end(phone_book)-1), phone_numbers,
"123-$&",
std::regex_constants::format_no_copy);
assert(r.base() == buf+36);
assert(buf == std::string("123-555-1234123-555-2345123-555-3456"));
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "555-1234, 555-2345, 555-3456";
typedef output_iterator<char*> Out;
typedef bidirectional_iterator<const char*> Bi;
char buf[100] = {0};
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
Bi(std::end(phone_book)-1), phone_numbers,
"123-$&",
std::regex_constants::format_first_only);
assert(r.base() == buf+32);
assert(buf == std::string("123-555-1234, 555-2345, 555-3456"));
}
{
std::regex phone_numbers("\\d{3}-\\d{4}");
const char phone_book[] = "555-1234, 555-2345, 555-3456";
typedef output_iterator<char*> Out;
typedef bidirectional_iterator<const char*> Bi;
char buf[100] = {0};
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
Bi(std::end(phone_book)-1), phone_numbers,
"123-$&",
std::regex_constants::format_first_only |
std::regex_constants::format_no_copy);
assert(r.base() == buf+12);
assert(buf == std::string("123-555-1234"));
}
}