using System;

using System.Text.RegularExpressions;

using System.Text;

​

public class main

{

    public void Main()

    {

        Console.WriteLine(Kata.Ermahgerd("my name is ohmygod girl and I love codewars!"));  

    }

}

​

public class Kata

    {

        public static string Ermahgerd(string text)

        {

                StringBuilder sb = new StringBuilder();

                sb.Append(text.ToUpper());

                sb.Replace("OH","ER");

                sb.Replace("E","ER");

                sb.Replace("A","ER");

                sb.Replace("AE","ER");

                sb.Replace("I","ER");

                sb.Replace("O","ER");

                sb.Replace("U","ER");                                                   

                sb.Replace("ERER","ER");

                sb.Replace("MY","MAH");       

                sb.Replace("RR","R");

                StringBuilder result = new StringBuilder();

                StringBuilder working = new StringBuilder();

                for(int counter = 0;counter<sb.Length;counter++)

                {

                  if(sb[counter] == ' ' || counter==sb.Length-1)

                  {

                    if( counter==sb.Length-1)

                    {

                        working.Append(sb[counter]); 

                    }

                    working.Append(" ");

                    if(working.Length>4)

                    {

                      working.Replace("ER ","");

                      working.Replace("ER. ",".");

                      working.Replace("ER, ",",");

                      working.Replace("ER! ","!");

                      working.Replace("ER? ","?");

                    }

                    working.Replace(" ","");

                    result.Append(working.ToString());

                    result.Append(" ");

                    working.Clear();      

                  }

                  else

                  {

                    working.Append(sb[counter]); 

                  }

                }

​

                result.Remove(result.Length-1,1);

                return result.ToString();

        }

    }

​

​

​

​

​