Regex Tester & Builder
Test, build and explore usage examples of regular expressions (RegEx).
/
/g
Common Regex Examples
/^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/
Example: test@example.com
URL
/https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/
Example: https://example.com
Phone
/\+?[1-9]\d{1,14}/
Example: +901234567890
Date (YYYY-MM-DD)
/\d{4}-\d{2}-\d{2}/
Example: 2023-05-15
IP Address
/\b(?:\d{1,3}\.){3}\d{1,3}\b/
Example: 192.168.1.1
About Regex Tester
Regular Expression Tester allows you to test and debug regex patterns in real-time. It provides match highlighting, group extraction, and comprehensive regex reference.
Key Features
- Real-time Testing: See matches as you type
- Match Highlighting: Visual feedback for matches
- Group Extraction: View captured groups
- Flag Support: Global, case-insensitive, multiline, etc.
- Examples Library: Common regex patterns
Common Use Cases
- Data validation and form validation
- Text parsing and extraction
- String manipulation and replacement
- Log file analysis and filtering
- Pattern matching in code and documents