A powerful Visual Studio Code extension for testing regular expressions directly in your editor. No more switching between VSCode and external regex testing websites!
- Modern Webview Interface: Dedicated panel for comprehensive regex testing
- Auto-load Editor Text: Automatically loads text from your active editor
- Real-time Updates: Matches update instantly as you type your regex
- Live Validation: Visual feedback shows if your regex is valid while typing
- Smart Debouncing: Optimized update speeds for different input types
- CSV Export: Export your matches as .csv file with just one click
- Real-time Editor Highlighting: Matches are highlighted directly in your editor
- Multi-group Support: Different colors for regex groups
- Persistent Highlighting: Works even when webview has focus
- Smart Clearing: Automatically clears highlights when regex is empty
- Line & Column Numbers: Precise location of each match
- Group Analysis: Shows all captured groups with their values
- Match Statistics: Summary of total matches found
- Context Preview: Shows surrounding text for each match
- Command Palette: Access via "Regex Analyzer: Show"
- Context Menu: Right-click selected text → "Find RegEx from selection"
- Keyboard Shortcut:
Ctrl+Shift+Alt+R - Editor Button: Click the regex icon in the editor tab
- Open a file in VSCode
- Open Command Palette (
Ctrl+Shift+P) - Type "Regex Analyzer: Show"
- The analyzer automatically loads your editor text
- Type your regex and see instant results!
- Select text in your editor (optional)
- Press
Ctrl+Shift+Alt+Ror click the regex icon - Enter your regex pattern and flags
- View matches in the output panel
- Select a regex pattern in your editor
- Right-click → "Find RegEx from selection"
- Test the selected regex instantly
- Color-coded Groups: Each regex group gets a unique color
- Hover Information: Detailed match info on hover
- Loading Indicators: See when analysis is in progress
- Error Feedback: Clear error messages for invalid regex
- Performance Optimized: Intelligent debouncing prevents excessive processing
- Memory Efficient: Proper cleanup of decorations and resources
- Cross-platform: Works on Windows, macOS, and Linux
- VS Code API: Uses native VS Code decoration and webview APIs
- Theme Compatibility: Highlighting colors may affect readability on some dark themes
- Large Files: Performance may decrease with very large files (>1MB)
- Complex Regex: Very complex patterns may take longer to process
Added CSV-Export function
- ✨ NEW: Button in the Analyzer view to export your matches as a .csv file
- minor bug fixes
Major Update: Interactive Analyzer & Real-time Features
- ✨ NEW: Interactive Webview-based Regex Analyzer
- ✨ NEW: Auto-update matches while typing regex (300ms debounce)
- ✨ NEW: Live regex validation with visual feedback
- ✨ NEW: Real-time editor highlighting even when webview has focus
- ✨ NEW: Auto-load editor text into analyzer
- ✨ NEW: Loading indicators and improved UX
- 🔧 IMPROVED: Better error handling and debugging
- 🔧 IMPROVED: Modular architecture with separate highlighting system
- 🔧 IMPROVED: Performance optimizations with intelligent debouncing
- ✨ NEW: Line and column numbers in match results
- 🔧 IMPROVED: Enhanced match information display
- ✨ NEW: Context menu option "Find RegEx from selection"
- 🔧 IMPROVED: Better integration with editor workflow
- ✨ NEW: Editor icon for quick access
- ✨ NEW: Keyboard shortcut (
Ctrl+Alt+Shift+R) - 🔧 IMPROVED: UI/UX enhancements
- ✨ NEW: RegEx flags support (g, i, m, s, u, y)
- 🎉 Initial Release: Basic regex testing functionality
This extension was created with the help of GitHub Copilot and continues to evolve based on user feedback. Feel free to submit issues and feature requests!
MIT License - see LICENSE file for details.
Enjoy testing your regular expressions without leaving VSCode! 🚀