Regex Builder
& Tester
Build, test, and understand regular expressions with visual tools and live feedback.Perfect for developers who work with pattern matching and text processing.
Regex Pattern
Build your regular expression pattern
Test Text
Test your pattern against sample text
Quick Actions
Common tools and actions
Component Builder
Build patterns with pre-made components
character class
quantifier
anchor
group
Pattern Explanation
Understand your regex pattern
Core Features
Visual Builder
Construct regex patterns with intuitive drag-and-drop components
Live Testing
Test your patterns in real-time with instant feedback
Pattern Library
Access common regex patterns for quick implementation
Detailed Explanations
Understand each part of your regex pattern
Advanced Tools
Match Highlighting
See matches highlighted in your test text in real-time
Capture Groups
View and analyze captured groups from your matches
Code Generation
Generate regex code for different programming languages
Flag Support
Use regex flags for advanced pattern matching
Best Practices
Start Simple
Begin with basic patterns and gradually add complexity
Test Thoroughly
Use various test cases to validate your patterns
Use Groups
Organize complex patterns with capturing groups
Consider Performance
Optimize patterns for better matching efficiency
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