Regular expression for validation

string temp="eranganath";

static void Main(string[] args)
        {
            string[] ids = new string[]

       {

          "111111111111",

          "999999999999",

          "123456789012",

          "456789012345",

          "543044885000",

          "124689124000",

          "317238921101",

          "772190300023"

       };




            string repeat = @"(?!(\d)\1+$)";

            string sequence = @"(?!(012345678901|123456789012|234567890123|" +

                                   "345678901234|456789012345|567890123456|" +

                                   "678901234567|789012345678|890123456789|" +

                                   "901234567890)$)";

            string zeros = @"(?!\d{9}000$)";

            string digits = @"\d{12}";




            string regExp = String.Format(@"^{0}{1}{2}{3}$", repeat, sequence, zeros, digits);




            foreach (string id in ids)
            {

                Console.WriteLine(Regex.IsMatch(id, regExp));

            }




            Console.ReadKey();
        }