Regex Tester
Test regular expressions with live match highlighting, group capture, and replacement preview.
//g
Flags:
Examples:
Test string
Replace (optional)
About This Tool
The Regex Tester is a powerful tool for developers and anyone working with text data. It allows users to test regular expressions in real-time, highlighting matches and providing group captures.
Simply input your regex pattern and the text you want to match against it. The tool highlights matching segments and shows captured groups, making debugging and testing much easier.
Use this browser-based utility for quick regex checks without needing to install any software or sign up for an account. Your data stays private as all processing happens locally in your browser.