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.

Chapter 12: Regular Expressions Python’ s Regular Expression Language The Regular Expression Module A regular expression is a compact notation for representing a collection of strings. What makes ...

Regular Expressions (aka Regex) are simply a way of describing what a stream of text should look like. So when you feed G rep a bit of R egular E xpression, it P rints only the text that matches ...

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.