🔍 RegexLab – Browser Extension

RegexLab is a professional-grade browser extension for testing and debugging regular expressions directly on any webpage.
Designed with a clean interface, tab-based workflow, and exportable results – it brings the power of regex tools into your browser.

🛒 Now Available on Chrome Web Store!

👉 RegexLab – Real-time Regex Tester & Highlighter

Bring the power of real-time regex testing into your browser – directly from the Chrome Web Store.

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🚀 Features

• 🧪 Real-time regex evaluation on any page
• 🎯 Highlight matches instantly
• 📁 Default & custom pattern library
• 💾 Save, edit, and manage your own regex patterns
• 📤 Export results as .txt or .json
• 📋 Copy matches to clipboard
• 🛠 Configurable options (case sensitivity, global, multiline)
• 🆘 Built-in Help section and Settings

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🛠 How to Install

1. Clone or download this repository.
2. Open your browser and go to chrome://extensions.
3. Enable Developer mode (top-right).
4. Click Load unpacked and select the regexlab-extension/ folder.

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📁 Folder Structure

regexlab-extension/
├── manifest.json          # Extension config (Manifest V3)
├── background.js          # Handles icon click → inject panel
├── content.js             # Injects UI into pages
├── panel.html             # Main UI layout
├── panel.js               # Regex logic & interaction
├── panel.css              # Panel styling (VSCode-like)
├── assets/icons/          # Extension icons (16/48/128px)
└── README.md              # You are here

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🧪 Sample Use Cases

• Test regex patterns live on websites
• Extract data from page content
• Export matches to integrate with other tools
• Use it as an in-browser regex cheat sheet

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📦 Version

v1.0.0 BETA
Released: April 2025

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👨‍💻 Author

Created by @Zulwatha
Licensed under the MIT License

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📌 Roadmap

• DevTools integration
• Cloud sync for custom patterns
• Inline match explanation tooltip
• Firefox support

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Made with focus and coffee ☕