🎯 Regex Tester
Test and debug regular expressions
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About Regex Tester
🚀 What is Regex?
Regular Expressions (Regex) are patterns used to match character combinations in strings. They're incredibly powerful for text processing, validation, and extraction tasks.
✨ Key Features
- Test patterns in real-time
- Visual match highlighting
- Support for all regex flags
- Quick reference cheatsheet
- Common patterns library
Common Use Cases
Form Validation
Validate email addresses, phone numbers, passwords
Data Extraction
Extract URLs, emails, or specific patterns from text
Search & Replace
Powerful find-and-replace operations
Log Analysis
Parse and filter log files efficiently
💡 Pro Tip
Start simple and build up your pattern. Use regex101.com for complex patterns, and always test with edge cases including empty strings and special characters.