Online Regex Tester

Regular Expression

g Global i Insensitive m Multiline

Test String

Matches 0 Matches

Matches will appear highlighted here...

key Features

Test RegEx against sample text real-time
Highlight matches and capture groups
Explain RegEx logic (coming soon)
Quick reference for common patterns

The Advanced Regex Tester allows you to write and debug Regular Expressions directly in your browser. RegEx is powerful but can be confusing. Our tool provides immediate visual feedback as you type.

Paste your target text and start writing your pattern. Matches are highlighted in real-time, helping you fine-tune your expression to catch exactly what you need—and nothing else. Supports standard JavaScript RegEx syntax.

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