public static string FizzBuzzCheckNumber(int number, FizzBuzzCheck FizzBuzzCheck)
        {
            var tempResultBuilder = new StringBuilder();

            foreach (var x in FizzBuzzCheck.rules)
            {
                if (x.Divisor != 0)
                {
                    tempResultBuilder.Append(number % x.Divisor == 0 ? x.Output : "");
                }

                if (tempResultBuilder.ToString().Length == 0)
                {
                    tempResultBuilder.Append(number.ToString().Contains(x.StringCheck) ? x.Output : "");
                }
            }
            string tempResultString = tempResultBuilder.ToString();

            tempResultBuilder.Clear();

            string finalResultString = (String.IsNullOrWhiteSpace(tempResultString) ? number.ToString() : tempResultString);

            return(finalResultString);
        }
        static void Main(string[] args)
        {
            int    i;
            string resultString;

            Console.WriteLine("Begin fizzbuzz Program.");
            Console.ReadKey();

            var FizzBuzzCheck = new FizzBuzzCheck();

            FizzBuzzCheck.AddRule(3, "fizz");
            FizzBuzzCheck.AddRule(5, "buzz");
            FizzBuzzCheck.AddRule("3", "fizz");
            FizzBuzzCheck.AddRule("5", "buzz");

            for (i = 1; i <= 100; i++)
            {
                resultString = FizzBuzzCheckNumber(i, FizzBuzzCheck);
                Console.WriteLine(resultString);
            }

            Console.WriteLine("End Program!");
            Console.ReadKey();
        }