Regex Tester

Test regular expressions

🔒 This tool runs fully in your browser. No files or data are uploaded.
Matches found: 0

How to Use

  1. Enter a regular expression pattern
  2. Select regex flags (optional)
  3. Enter a test string and click "Test Regex"

FAQ

  • What regex flags are supported?
    i (case-insensitive), g (global - find all matches), and m (multiline - ^ and $ match line boundaries).
Disclaimer: This tool tests JavaScript regular expressions. Some regex features may vary in other languages.