Dashboard/developer/Regex Generator & Visual Builder

Regex Generator & Visual Builder

Build, configure, and generate regular expressions visually with instant test validation and syntax explanations.

Select Preset Pattern or Build Custom

/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/

Pattern Breakdown & Explanation

•^[a-zA-Z0-9._%+-]+ : Match username part with letters, digits, and common punctuation

•@ : Match the literal '@' separator

•[a-zA-Z0-9.-]+ : Match domain name

•\.[a-zA-Z]{2,}$ : Match top-level domain extension (.com, .org, etc.) of at least 2 chars

Pattern Matches

Tests standard JavaScript `RegExp.test()` in real-time. Instant Validation