converts 3 hex into 6 hex

gistfile1.txt

// converts 3 hex into 6 hex

function normalizeHex(hex) {
	var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
  hex = hex.replace(shorthandRegex, function(m, r, g, b) {
        return '#' + r + r + g + g + b + b;
    });
    return hex;
}


console.log(normalizeHex("#F3F3F3"));
console.log(normalizeHex("#F22"));