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Regex Tester

Test a regular expression against sample text in your browser.

See matched text while keeping the pattern and sample local.

Your inputs stay on your device

Test a regular expression

live result
Matches
Hello, world

Text stays in this browser tab. Review generated or formatted output before using it in production code or published content.

Context & Reference

How it works

For trying a JavaScript regular expression on sample text.

utility guide

How to use it

Use this utility with your own values, then review the clearly labelled result and copy it when you need it elsewhere.

Understand the result

Results contain matched text, not capture groups or positions.

Example

Use \d+ with g against “Order 42”.

Practical tip

Use the g flag to collect multiple matches.

Notes

This utility runs locally in this browser. Use the g flag to collect multiple matches.

Useful next steps

Related tools

Continue with a closely related task, calculation, conversion, or local text tool.