Developer Tool
Regex Tester & Debugger
Test regular expressions with live match highlighting, capture group extraction, and common pattern presets. See matches update in real time as you type.
100% free β runs entirely in your browser
/
/g
Regex Made Easy
Visual regex testing with instant feedback
Live Testing
See matches highlighted instantly as you type your pattern and test string.
Flag Controls
Toggle global (g), case-insensitive (i), and multiline (m) flags.
Capture Groups
See all captured groups for each match with index positions.
Common Patterns
One-click presets for email, URL, phone number, and IP address validation.
FAQ
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