Regex Tester

Test regular expressions live against sample text with highlighted matches and capture-group inspection.

Developer100% client-sideFree · no sign-up

regex-tester — tool

Test text

Pattern

Flags

Result

Your input is processed locally in the browser. Nothing is uploaded.

runs 100% client-side · your data never leaves the browser

how_to — regex-tester

How to use the regex tester

1Paste or type your content into the input box — or click Sample to try it with realistic data.
2Adjust the options above the result to control how the output is produced.
3The result updates automatically as you type, then copy or download it when you are happy.

JavaScript (ECMAScript) regex executed by your own browser — the same engine as your frontend code.

related_tools — 4 items

confirm_action — ngstudios

Need APIs, integrations or data pipelines built around your stack? That is our daily work. Explore our Web Application Development service.

loading…