Python comes with regex support out of the box, as part of its standard library. Here, we’ll take a quick tour of the Python regular expression library and how to get the most out of it.

Many languages, including Perl, PHP, Python, JavaScript, and JScript, now support regular expressions for text processing, and some text editors use regular expressions for powerful search-and ...

For system administrators, many programs can use regular expressions in configuration files, such as Apache. The “*Match” directives in Apache (i.e., <DirectoryMatch> and <RedirectMatch ...

If you work with text, you owe it to yourself to learn regular expressions, and Patterns can help you do that--as well as figure out exactly what your search patterns are capturing.