Regex Cheatsheet - Regular Expression Quick Reference
Quick reference for regular expression patterns. Character classes, quantifiers, anchors, and common patterns.
Datetime Pattern
Common PatternMatch ISO datetime format
Pattern
^\d{4}-\d{2}-\d{2}[T ]\d{2}:\d{2}(:\d{2})?$Examples
2024-01-15 14:30:00ISO datetime
Matches: 2024-01-15 14:30:00
2024-01-15T14:30ISO 8601 time
Matches: 2024-01-15T14:30
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