Regex Cheatsheet

Searchable regex reference. Type a character or term to filter the table. Covers character classes, quantifiers, anchors, groups, lookarounds, flags, and a copy-paste list of common patterns (email, URL, IP, date, etc.).

How to use the Regex Cheatsheet

Type any term — "digit", "lookahead", "email", "word boundary" — to filter. Each row has the syntax, what it does, and an example.