Regex Generator
Generate common regular expressions for email, URL, phone, date, and more validation patterns.
Common Patterns
^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$Matches standard email addresses
user@example.comjohn.doe@company.orgCustom Pattern Builder
^[a-zA-Z]*$Regex Cheat Sheet
.Any character\\dDigit (0-9)\\wWord character (a-zA-Z0-9_)\\sWhitespace^Start of string$End of string*0 or more+1 or more?0 or 1{n,m}Between n and m[abc]Character class(group)Capture groupTip: Test your regex patterns in the Regex Tester tool before using them in production code.
💡
Help us improve!
How would you rate the Regex Generator?
Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.