static String[] extractNumbers(String arg)
        {
            String[] temp = new String[arg.Length];

            int j = 0;
            for (int i = 0; i < arg.Length; i++)
            {
                if (arg[i] >= '0' && arg[i] <= '9')
                {
                    int begin = i, count = 0;
                    while (arg[i] >= '0' && arg[i] <= '9')
                    {
                        count++;
                        i++;
                    }

                    if(count > 0)
                    {
                        temp[j] = arg.Substring(begin, count);
                        j++;
                    }
                }
            }

            String[] result = new String[j];
            Array.Copy(temp, result, j);

            return result;
        }