Regex Pattern Library
Browse common regular expression patterns, copy a pattern, and try it against sample text.
Last updated: 2026-10-25
Free Online Regex Pattern Library
Use this free online regex pattern library tool directly in your browser without installing software. Fast, mobile friendly and easy to use.
Regex Pattern Library
Process your input locally in this browser.
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About This Tool
About Regex Pattern Library
Browse common regular expression patterns, copy a pattern, and try it against sample text. This tool runs in your browser and does not upload the data you enter.
How to use it
- Enter or paste your input.
- Choose the available options and process it.
- Copy the result or download it.
Frequently Asked Questions
Is this tool free to use?
Yes. It runs in your browser and does not require an account.
Is my input uploaded?
No. The tool processes the input locally in your browser.
Can I copy or save the result?
Yes. Use the copy and download controls shown with the result.
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