| 1 | // Boost string_algo library example file ---------------------------------// |
|---|---|
| 2 | |
| 3 | // Copyright Pavol Droba 2002-2003. Use, modification and |
| 4 | // distribution is subject to the Boost Software License, Version |
| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
| 7 | |
| 8 | // See http://www.boost.org for updates, documentation, and revision history. |
| 9 | |
| 10 | #include <string> |
| 11 | #include <iostream> |
| 12 | #include <iterator> |
| 13 | #include <boost/regex.hpp> |
| 14 | #include <boost/algorithm/string/regex.hpp> |
| 15 | |
| 16 | using namespace std; |
| 17 | using namespace boost; |
| 18 | |
| 19 | int main() |
| 20 | { |
| 21 | cout << "* Regex Example *"<< endl << endl; |
| 22 | |
| 23 | string str1("abc__(456)__123__(123)__cde"); |
| 24 | |
| 25 | // Replace all substrings matching (digit+) |
| 26 | cout << |
| 27 | "replace all (digit+) in str1 with #digit+# :"<< |
| 28 | replace_all_regex_copy( Input: str1, Rx: regex("\\(([0-9]+)\\)"), Format: string( "#$1#") ) << endl; |
| 29 | |
| 30 | // Erase all substrings matching (digit+) |
| 31 | cout << |
| 32 | "remove all sequences of letters from str1 :"<< |
| 33 | erase_all_regex_copy( Input: str1, Rx: regex("[[:alpha:]]+") ) << endl; |
| 34 | |
| 35 | // in-place regex transformation |
| 36 | replace_all_regex( Input&: str1, Rx: regex("_(\\([^\\)]*\\))_"), Format: string( "-$1-") ); |
| 37 | cout << "transformad str1: "<< str1 << endl; |
| 38 | |
| 39 | cout << endl; |
| 40 | |
| 41 | return 0; |
| 42 | } |
| 43 |