Regular Expression Tester (RegEx Tool)

Free Online RegEx Tester Tool – Match, Debug & Validate Patterns

The RegEx Tester tool helps you experiment, debug, and validate your regular expressions in real-time. Whether you're a developer, data analyst, or student — this tool makes working with RegEx easier than ever.

🧠 What is RegEx?

RegEx, short for Regular Expression, is a powerful search pattern used for matching strings, replacing content, or extracting parts of data. It's widely used in programming, search engines, data validation, and more.

🔍 Why Use This RegEx Tool?

• ✅ Real-time pattern testing and feedback
• ✅ Error detection for invalid RegEx
• ✅ Match preview and total count
• ✅ Copy results or export match list
• ✅ 100% browser-based – no sign-up required

💼 Popular Use Cases

• ✔️ Email validation: /^[\w.-]+@[\w.-]+\.\w{2,}$/
• ✔️ Extract phone numbers: /\+?\d[\d\s-]{7,}/
• ✔️ Match hashtags: /#[a-zA-Z0-9_]+/
• ✔️ Remove HTML tags: /<[^>]*>/

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✨ Try out your regular expressions above, copy your results, and improve your code or data extraction workflow today!