Regex Visualizer
Online regex matching visualization with real-time highlighting, group capture, replace, and common regex library
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Test String
Common Regex Library (click to use)
Regex Visualizer Usage Guide
Key Features
- Real-time Highlight - Enter regex and text, see matches instantly
- Group Capture - Display each capture group's content and position
- Regex Explanation - Translate regex into readable description
- Replace Mode - Support $1, $& backreference replacements
- Regex Library - One-click use common patterns for email, phone, URL, etc.
Use Cases
- Learn and debug regular expressions
- Validate data formats (email, phone, ID, etc.)
- Batch text extraction and replacement
- Log analysis and data cleaning