func IsHexAddress(s string) bool {
	if hasHexPrefix(s) {
		s = s[2:]
	}
	return len(s) == 2*AddressLength && isHex(s)
}
// IsHexAddress verifies whether a string can represent a valid hex-encoded
// Matrix Address or not.
IsHexAddress verifies whether a string can represent a valid hex-encoded
Matrix Address or not.
// IsHexAddress verifies whether a string can represent a valid hex - encoded // Matrix Address or not .
func IsHexAddress(s string) bool {
	if hasHexPrefix(s) {
		s = s[2:]
	}
	return len(s) == 2*AddressLength && isHex(s)
}
func IsHexAddress ( s string ) bool { if hasHexPrefix ( s ) { s = s [ 2 : ] } return len ( s ) == 2 * AddressLength && isHex ( s ) }
IsHexAddress verifies whether a string can represent a valid hex-encoded
Matrix Address or not.
IsHexAddress verifies whether a string can represent a valid hex - encoded Matrix Address or not .