Regex Tools
Every free regex tool from Regex Shuttle — all running locally in your browser, with no upload and no sign-up.
Test Regex Online — Free Real-Time Regex Tester
Test any regular expression with instant real-time matching. See matches highlighted, view capture groups, and test substitution — all directly in your browser with zero data uploads.
Regex Explainer Online — Understand Any Regular Expression
Paste any regular expression and get a plain English explanation. See a token-by-token breakdown with meanings so you can understand exactly what a pattern matches.
Regex Cheat Sheet — Complete Regular Expression Reference
Your go-to quick reference for regular expression syntax. Browse by category, find the syntax you need, and click to copy. Covers characters, quantifiers, anchors, groups, and more.
Email Regex Pattern — Validate Email Addresses with Regular Expressions
The complete guide to email validation with regex. Get battle-tested patterns, understand how they work, and test them with your own data — all in one place.
Phone Number Regex — Match and Validate Phone Numbers
Everything you need to validate phone numbers with regular expressions. Patterns for US numbers, international formats, and custom layouts — with a free online tester.
URL Regex Pattern — Match and Validate URLs with Regular Expressions
The definitive guide to URL validation with regex. Get patterns for matching HTTP/HTTPS URLs, extracting links from text, and validating user-submitted URLs.