// Boost string_algo library example file ---------------------------------//

// Copyright Pavol Droba 2002-2003. Use, modification and

// distribution is subject to the Boost Software License, Version

// 1.0. (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

// See http://www.boost.org for updates, documentation, and revision history.

#include <string>

#include <iostream>

#include <iterator>

#include <boost/regex.hpp>

#include <boost/algorithm/string/regex.hpp>

using namespace std;

using namespace boost;

int main()

{

cout << "* Regex Example *" << endl << endl;

string str1("abc__(456)__123__(123)__cde");

// Replace all substrings matching (digit+)

cout <<

"replace all (digit+) in str1 with #digit+# :" <<

replace_all_regex_copy( str1, regex("\\(([0-9]+)\\)"), string("#$1#") ) << endl;

// Erase all substrings matching (digit+)

cout <<

"remove all sequences of letters from str1 :" <<

erase_all_regex_copy( str1, regex("[[:alpha:]]+") ) << endl;

// in-place regex transformation

replace_all_regex( str1, regex("_(\\([^\\)]*\\))_"), string("-$1-") );

cout << "transformad str1: " << str1 << endl;

cout << endl;

return 0;

}