Regex Tester - Free Online Tool

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About Regex Tester

What is the Regex Tester?

The Regex Tester is a handy tool for writing, testing, and debugging regular expressions in real time. It highlights matches, captures groups, and provides quick feedback on your patterns.

How Does It Work?

Type or paste your regex in the input field.
Provide a test string to match against.
View highlighted matches and captured groups instantly.

Key Features

Real-Time Feedback: Instantly see which parts of your text match.
Highlighting & Captures: Easily identify capture groups and sub-matches.
Multiple Flags: Enable or disable case sensitivity, multiline mode, and more.

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