Guides
Common Regex Patterns — Copy-Paste Regular Expressions
Battle-tested regex patterns for common validation tasks. Test each pattern in the Regex Tester before using in production.
[\w.-]+@[\w.-]+\.[a-zA-Z]{2,} — basic email pattern.
URL
https?://[\w.-]+(?:\.[\w.-]+)+[\w._~:/?#\[\]@!$&'()*+,;=-]*
IPv4
\b(?:\d{1,3}\.){3}\d{1,3}\b
Date (YYYY-MM-DD)
\d{4}-\d{2}-\d{2}
UUID
[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}