Regex Example
Hex Color Pattern
Matches 3-digit and 6-digit hex color strings.
Regex Pattern
^#(?:[0-9a-fA-F]{3}|[0-9a-fA-F]{6})$Test Cases
- #fff - match
- #12abef - match
- #12abef44 - no match
Edge Cases
- Does not include 8-digit alpha variants.
- Requires the leading # symbol.