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Regex Tester
Write and test regular expressions with real-time match highlighting, group capture details, and syntax reference.
Files stay on your deviceFree to useNo account needed
Getting your tool ready…
Quick start
How it works
A few simple steps, and you’re done. Your files are processed right here in your browser.
- 1Input your regular expression pattern and specify search flags (global, case-insensitive, multiline).
- 2Paste your mock text into the Test String input panel.
- 3Inspect the live color highlights and detailed capture table to refine your expression.
Frequently asked questions
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