angularjs sprintf filter

gistfile1.txt

app.filter['sprintf'] = function () {
	return function (str, number) {

		function parse(str) {
			var args = [].slice.call(arguments, 1),
				i = 0;

			str = str.replace(/{(\d+)}/g, function (a, number) {
				return typeof args[number] != 'undefined'
					? args[number]
					: str;
			});
			
			return str.replace(/%s/g, function() {
				return args[i++];
			});
		}

		return parse(str, arguments[1], arguments[2], arguments[3], arguments[4], arguments[5]);
	}
};

{{"It can replace %s and {0} with arguments "| sprintf: "this"}}