Python regular expression cheatsheet and examples

This blog post gives an overview and examples of regular expression syntax as implemented by the re built-in module (Python 3.13+). Assume ASCII character set unless otherwise specified. This post is an excerpt from my Understanding Python re(gex)? book. Visualization created using debuggex for the pattern r&#x27;\bpar(en|ro)?t\b&#x27; From docs.python: re : A regular expression (or RE) specifies…