Regex Tester

Test regular expressions in real-time. See matches highlighted as you type.

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Quick Patterns

Flags

  • g - Global: find all matches
  • i - Case-insensitive matching
  • m - Multiline: ^ and $ match line boundaries

Common Patterns

  • \d+ - One or more digits
  • \w+ - Word characters
  • [a-z]+ - Lowercase letters
  • .+@.+\..+ - Simple email

Keyboard Shortcuts

  • Ctrl + L - Focus regex input
  • Ctrl + Enter - Test regex
  • Ctrl + Shift + C - Copy matches
  • Ctrl + S - Download matches
  • Escape - Clear all inputs
  • Tab - Insert 2 spaces in test string
  • Double-click matches - Select all text