🎯 Regex Tester & Debugger

Write, test, and debug your Regular Expressions with real-time visual feedback.

Regular Expression
/ /
Valid Regex
Test String (Input Text) Live Match Results
Matches will be highlighted here...
0 matches found

πŸš€ Advanced Regex Testing Made Simple

The essential developer tool for validating patterns and cleaning data.

πŸ” Real-Time Matching

See matches instantly as you type. No need to click 'run'β€”just pure, fast debugging.

🌈 Visual Highlights

Our syntax highlighter shows exactly which parts of your string are being captured.

⚑ Global & Case Insensitive

Full support for JS Regex flags like /g, /i, and /m for complex multi-line searches.

Frequently Asked Questions

What is a Regular Expression (Regex)?

Regex is a sequence of characters that forms a search pattern. It is used for string matching, finding-and-replacing, and data validation.

Why use Tensa.pro for Regex testing?

We provide a distraction-free, privacy-focused environment. Your data stays in your browser, making it safe for testing sensitive strings.