developer Tool
Regex Tester & Matcher
Test regular expressions against sample text with live match highlights and capture groups.
Matches Found:2 match(es)
support@burnjet.com (index: 8)admin@domain.org (index: 31)
Zero-Leakage Local Processing
All text formatting, JSON/JWT parsing, cryptographic hashing, and image compression execute entirely inside your browser. No private data is ever sent to Burnjet servers.
How It Works
Evaluates JavaScript RegExp patterns with customizable flags (g, i, m, s) and highlights captured matches in real-time.
Frequently Asked Questions
Common questions about calculations, assumptions, and edge cases.
Yes, Regex Tester & Matcher is 100% free with unlimited calculations and zero paywalls or subscriptions.