Regex101

Regex101 offers an interactive platform for testing regular expressions across multiple programming languages. It provides syntax highlighting, explanations, and a useful cheat sheet.

Key Features

• Syntax highlighting for easy readability.
• Detailed explanations of regex components.
• Cheat sheets for various programming languages.
• Support for multiple regex engines (PHP, Python, JS, etc.).
• Real-time regex testing and feedback.

Pros

• Completely free to use.
• User-friendly interface.
• Supports multiple languages and engines.
• Great for beginners and experts alike.

Cons

• Limited advanced features compared to paid tools.
• No export options for saving tests externally.
• Performance may lag with very complex regex patterns.
• Mobile experience could be improved.