Regex tester

How it works

Try a regular expression against sample text. Fill in the form and choose Test pattern. It opens with an example already filled in, so you can see how it works first.

What you need

• Pattern
• Flags
• Text to search

What you get

• Matches
• Copy or save the result

Example

The tool opens with Pattern: (\w+)@(\w+)\.com; Flags: gi, and some example text.

That gives: Matches: 2.

Good to know

Uses your browser's JavaScript regular expression engine. Without the g flag only the first match is shown. A badly behaved pattern can make the page slow on long text.

Your privacy

What you type is worked out in your browser and is not sent anywhere. There are no accounts, adverts or tracking scripts. How your data is handled