Regex Tester

Test regular expressions with highlighted matches.

Regex Pattern

Global (g)Ignore case (i)Multiline (m)

Test String

How to use this tool

1Enter regexInput your regular expression pattern and choose any match flags.
2Provide test textPaste your sample strings into the test area.
3Inspect matchesView real-time highlighting of all matching strings and groups.

What this tool is useful for

✓Validating regex patterns for form fields or backend code.
✓Testing text extraction, splitting, or replace rules before deployment.
✓Learning and debugging regular expressions with live visual feedback.

Privacy & processing

Regex matching is run locally via the browser's JavaScript engine. Your input text is never sent to a server.