Hex color
What this is
CSS allows #RGB, #RRGGBB, #RGBA, #RRGGBBAA. This pattern is intentionally loose on length; tighten to {3}|{4}|{6}|{8} if you need strictness.
/#[0-9a-fA-F]{3,8}\b/gbrand #0d9488 and #fff #0d948880 with alpha
FAQ
- rgb()?
- Not matched. Use a separate pattern or a CSS parser.