Regular expressions are the secret weapon for searching, validating, and transforming text across almost every programming language. From quick data validation to massive log parsing, regex can save ...

If you thought grep was powerful, wait until you get a hold of ast-grep, which takes it to a whole new level.

A web app for simulating regular languages, including deterministic finite automata (DFA), non-deterministic finite automata (NFA), and regular expressions. It can step by step convert between these ...