Regex Tester
Test regex patterns against sample strings with instant visual match highlighting, match count, and group extraction.
How It Works
Enter Pattern
Type your regex expression and toggle flags (g, i, m, s).
Enter Test String
Type or paste test data to evaluate against.
Inspect Matches
View highlighted matches and captured groups instantly.
Guaranteed Privacy
Unlike cloud converters, zero bytes of your document or image are sent over the network.
Instant Speed
No upload queue, no download wait times. Processing is powered by your own CPU & GPU.
No Arbitrary Limits
No 50MB file size ceiling or hourly usage caps. Handle heavy files right on your hardware.
Frequently Asked Questions
Which regex flavor is used?
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