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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