Test and debug regular expressions in real-time. Features syntax highlighting, match lists, and group capture views. Supports common JavaScript regular expression flags like global (g), case-insensitive (i), and multiline (m).
How to Use the Tool
Using our tool is simple and requires no software installation or registration. Follow these steps:
- Enter your regular expression pattern in the regex input field.
- Paste the test string or text you want to search through in the text area.
- Instantly view highlighted matches and capture group structures at the bottom.
Key Features & Benefits
- 100% Free & Unlimited: No hidden costs, usage limits, or premium locks.
- Privacy First: All operations are client-side. Your files and data are never sent to our servers.
- Cross-Platform Compatibility: Works perfectly on all modern web browsers and mobile devices.
- Instant Processing: Calculations are completed locally on your system in real-time.
Frequently Asked Questions (FAQ)
What regex flavor does this tester use?
It uses the native JavaScript Regular Expression engine, which is standard for web development.
Are capture groups supported?
Yes! The tool extracts and displays all matched capture groups separately for easy debugging.