Regex Tester

Test and debug regular expressions instantly

Write, test, and understand regex patterns with live feedback. Get AI-powered explanations and suggestions when you need them.

⚡ Live Testing

🎯 Match Highlighting

🧠 AI Explanations

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Regular Expression Pattern

Global (g)Case Insensitive (i)Multiline (m)

Test String

Results

No matches

Hello World Test String

Why Use Our Regex Tester?

See matches highlighted in real-time as you type. No waiting, no compilation needed.

Get plain English explanations of complex patterns. Let AI generate regex from your description.

Understand what each part of your regex does with detailed breakdowns and examples.

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