isHexDigit
A Boolean value indicating whether the scalar is one that is commonly used for the representation of hexadecimal numbers or a compatibility equivalent.
Declaration
var isHexDigit: Bool { get }Discussion
This property is true for all scalars for which isASCIIHexDigit is true as well as for their CJK halfwidth and fullwidth variants.
This property corresponds to the “Hex_Digit” property in the Unicode Standard.