How to use Regex Escape
- Type or paste your pattern and test string into Regex Escape's input area.
- Watch the output update instantly while you adjust the pattern and test string.
- Use Copy to keep or reuse the result.
About this tool
Regex Escape runs entirely in your browser. Regex Escape tests your regular expression against sample text in your browser, highlighting matches as you type.
Your pattern and test text stay on your device. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
What is Regex Escape for?
Regex Escape lets you process your input right in the browser, with the result shown instantly and nothing uploaded.
Does Regex Escape cost anything?
No — Regex Escape is completely free, with no sign-up and no hidden limits.
Is my input private in Regex Escape?
Yes — your input never leaves your device; Regex Escape does all the work in your browser.
Which regex flavor does Regex Escape use?
Regex Escape runs your pattern with the browser's own JavaScript regex engine, live and on your device.
Can I use Regex Escape without a connection?
Yes — after the first load Regex Escape runs entirely offline.