Regex Tester

Test regular expressions with real-time matching.

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What is Regex Tester?

Regex Tester is a free tool that allows users to test regular expressions in real-time. It provides instant feedback on matches and captures groups.

How to Use

  1. Enter your regular expression in the designated input field.
  2. Input the text you want to test against the regex.
  3. View real-time matches and captured groups displayed below.

Key Features

  • Real-time matching feedback
  • Group capture visualization

Frequently Asked Questions

What is a regular expression?

A regular expression is a sequence of characters that defines a search pattern, primarily used for string matching.

Can I use this tool offline?

No, this tool runs entirely in your browser and requires an internet connection.

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