Tool Nova

JavaScript Regex Tester

Regular expressions

Regex Tester

Test JavaScript regular expressions against sample text and inspect matches.

Pattern
Flags
Test text
Matches2Unique matches2
Tool
tool

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How the regex tester works

Paste or enter the code, data, or value you want to inspect.

The tool processes it locally in your browser.

Copy the formatted output or converted value for your project.

Frequently Asked Questions

Is the regex tester free?

Yes. It is free and does not require an account.

Is my code sent to a server?

No. These developer tools run locally in your browser.

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