// Set the value in the CODE field
setCodeField(inCode);

// Remove leading "#" if present
if(startsWith(inCode, "#")){
	inCode = cropText(inCode, 1, countText(inCode));
}

// Add hexadecimal prefix
inCode = "0x" + inCode;

// Validate the string as hexadecimal
if(isHex(inCode)){

	...