//RAMIREZ, ANNE NICOLE P.

//MAGPILI, PHILIP M.

//CCP 1103 - ITCC

//COUNT THE CHARACTERS

​

using System;

namespace SpecialCharacters

{

    public class Program

    {

        public static void Main(string[] args)

        {

            int length;

            int numbers=0;

            int specialChar=0;

            int holderNumber;

            int letterCount=0;

            string inputStr;

            string holder;

            string holderUpper; 

            string[] characters = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Z","0","1","2","3","4","5","6","7","8","9"};

            Console.WriteLine("Count the Characters");

            Console.Write("Enter a string: ");

            inputStr = Console.ReadLine();

            length = inputStr.Length;

            if (length > 0)

            {

                for (int x = 1; x <= length; x++)

                {

                    holder = inputStr.Substring(x - 1, 1);

                    holderUpper = holder.ToUpper();

                    if (Array.Exists(characters, element => element == holderUpper))

                    {

                        if (Int32.TryParse(holder, out holderNumber) == true)

                        {

                            numbers++;

                        }

                        else

                        {                          

                           letterCount++;                      

                        }

                    }

                    else

                    {

                        specialChar++;

                    }

                }

                Console.WriteLine("Letter count: {0}", letterCount);

                Console.WriteLine("Number count: {0}", numbers);

                Console.WriteLine("Special character count: {0}", specialChar);

                Console.WriteLine("Total number of character: {0}", length);

            }

            else

            {

                Console.WriteLine("No input. Please input a string.");

            }               

        }

    }

}

​