isHexadecimal property

bool get isHexadecimal

Returns true if string is Hexadecimal string. Hexadecimal String: only contains digits 0-9 and characters A-F or a-f

"xyz".isHexadecimal;    // false
"12E".isHexadecimal;    // true

Implementation

bool get isHexadecimal => toInt(base: 16) != null;