Regex Tester
Free online regex tester. Test your regular expressions in real-time with sample text. Supports flags (g, i, m). Perfect for debugging and learning regex patterns.
How to Use
Free online regex tester. Test your regular expressions in real-time with sample text. Supports flags (g, i, m). Perfect for debugging and learning regex patterns. This tool is completely free, no registration required. All data processing happens locally in your browser - nothing is uploaded to any server.
FAQ
What do regex flags mean?
g=global match, i=case insensitive, m=multiline, s=dotall, u=unicode, y=sticky.
How to use this tool?
Enter your regex pattern in the pattern field, set flags, and enter test text. Click Test to see all matches.