RegexLab

RegexLab is a modern, lightweight, and extensible desktop application for testing, organizing, and exporting Regular Expressions (RegEx). Built with C# and Windows Forms, it aims to be both beginner-friendly and powerful for advanced users.

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🚀 Features

• 🎯 Regex Tester

  • Paste or type your input text and test against any regex pattern
  • Real-time match count and extracted results

• 📚 Pattern Library

  • Built-in "Default Patterns" for common tasks (Email, URL, IP, etc.)
  • Save your own custom patterns with title, description, and tags
  • Filter between Default and Custom via radio buttons

• 📅 Export Results

  • Export matched results as .txt or .json files
  • Save As dialog with automatic formatting

• 🧰 Text Processing Options

  • Duplicate filter
  • Ignore case
  • Trim spaces
  • Sort alphabetically

• 🍗 Theme Toggle

  • Dark Mode and Light Mode support (via View > Dark Theme)

• 🛝 Multi-Panel UI

  • Input and Output areas side-by-side via SplitContainer
  • Responsive resizing support

• 🧠 Helpful Menus

  • File, Edit, View, Help menus with useful tools and links
  • Regex reference, keyboard shortcuts, GitHub link, update checker

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🖼️ Screenshots

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⚙️ Technologies Used

• Language: C#
• Framework: .NET 8.0
• UI: Windows Forms
• Data: JSON for pattern storage

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📁 Project Structure

RegexLab/
├── Models/               # RegexPattern model
├── default_patterns.json # Built-in patterns
├── saved_patterns.json   # User-saved patterns
├── Form1.cs              # Main interface
├── SavePatternForm.cs    # Pattern saving form
├── README.md             # This file
└── ...

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🔧 How to Run

⚠️ Requires .NET 8 Desktop Runtime → Download here

1. Clone the repository:

git clone https://github.com/Zulwatha/RegexLab.git

2. Open RegexLab.sln in Visual Studio
3. Make sure you have .NET 8.0 SDK installed
4. Press F5 to run the app

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📌 License

This project is licensed under the MIT License.

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👨‍💻 Author

Developed by Zulwatha
Feel free to connect or contribute!
🔗 github.com/Zulwatha