How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs. Regular expressions, or “regex,” is a system for finding complex ...

Welcome to the Regex Learning Resource! This tutorial is designed to help you understand the fundamentals of regular expressions (regex), a powerful tool for searching and manipulating text. Whether ...

Regex (very incomplete) implementation in pure Python. Only intended to illustrate the related concepts in a simple way, hopefully. As part of what I call the "How it's made - Software edition" ...