Regex Tester

i=case insensitive, m=multiline, s=dotall, u=unicode, x=extended

🔍 Regex Tester Features

🔍 Pattern Matching

  • Real-time regex testing
  • Multiple match detection
  • Capture group support
  • Position tracking
  • Match highlighting

🎯 Regex Features

  • All regex syntax support
  • Flag configuration
  • Unicode support
  • Extended mode
  • Error handling

⚡ Processing

  • Instant pattern testing
  • Real-time validation
  • Large text support
  • Memory efficient
  • Fast execution

💻 User Experience

  • Simple, clean interface
  • One-click copy functionality
  • Monospace font display
  • Mobile-friendly design
  • No registration required

🔧 Technical Features

  • PHP preg_match support
  • Error message display
  • Syntax validation
  • Delimiter detection
  • Flag explanation

🌐 Applications

  • Pattern development
  • Text validation
  • Data extraction
  • String manipulation
  • Input sanitization

🚀 Use Cases & Applications

💻 Development

Test and debug regular expressions for data validation, text processing, and pattern matching.

🔍 Data Analysis

Extract specific patterns from large datasets and validate data formats.

🌐 Web Applications

Validate user input, parse URLs, and process form data with regex patterns.

📝 Text Processing

Search and replace text, extract information, and transform data formats.

💡 Pro Tip: Use regex flags to modify behavior: 'i' for case-insensitive, 'm' for multiline, 's' for dotall, 'u' for unicode, and 'x' for extended mode. Test with various inputs to ensure your pattern works correctly.