πŸ” Regex Tester

Test and validate regular expressions with real-time matching

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Example: \d{3}-\d{3}-\d{4} (for phone numbers)
πŸ“š Common Regex Patterns:
  • \d{3}-\d{3}-\d{4} - Phone number (123-456-7890)
  • [A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,} - Email
  • ^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$ - Password (8+ chars, letter + number)
  • \b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b - IP Address
  • ^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$ - URL
  • ^\d{5}(-\d{4})?$ - US Zip code
  • ^#?([a-f0-9]{6}|[a-f0-9]{3})$ - Hex color
  • ^\d{4}-\d{2}-\d{2}$ - Date (YYYY-MM-DD)

Note: All regex testing happens on the server. Your patterns and test strings are not stored.



What is a Regex Tester?

A regex tester allows you to test and debug regular expressions in real-time. It helps developers validate patterns used for searching, matching, and replacing text.

Why Use a Regex Tester?

  • Validate regex patterns instantly
  • Debug matching issues
  • Improve coding efficiency
  • Learn regex faster

Common Regex Use Cases

  • Email validation
  • Phone number matching
  • Form validation
  • Data extraction

Frequently Asked Questions

Regex (Regular Expression) is a pattern used to match and manipulate text.

Flags modify regex behavior, such as global matching (g), case-insensitive (i), and multiline (m).

Yes, this regex tester is completely free to use.

Test Regex Instantly

Validate patterns and debug expressions easily with this free tool.



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