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Regex Tester
Test regular expressions with real-time matching
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How to Use
- Open Regex Tester on this page — no account or install required.
- Provide your input (paste text, upload a file, or adjust settings depending on the tool).
- Run the tool — processing happens entirely in your browser.
- Copy or download the result when you are done.
About This Tool
Test regular expressions against text in real time. Highlight matches, capture groups, and replace patterns.
ToolForge runs regex tester client-side so your data never leaves your device. It is free, requires no sign-up, and works on desktop and mobile browsers.
regexregular expressiontestmatchpattern
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