hexColorRegStr top-level property
- The pattern used by the hexColorReg regular expression.
- The pattern matches any string that contains a valid hexadecimal color code.
- The pattern allows for an optional leading '#' character, followed by either 3 or 6 hexadecimal digits (0-9, a-f, A-F).
Implementation
String hexColorRegStr = r'^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$';