using System;

public class Program

{

    public static void Main()

    {

        string cat1 = "The domestic cat is a small, typically furry, carnivorous mammal. They are often called house cats.";

        string cat = "The domestic cat is a small, typically furry, carnivorous mammal. They are often called house cats.";

        // 1. replace all instances of cat with dog and cats with dogs - re-output

        cat = cat.Replace("cat","dog"); //no needfor seprate code for dogs/cats because it replaces the cat withdog and leaves the s on cats creating dogs

        Console.WriteLine(cat);

        //2. find the length of the string - output the length

        Console.WriteLine("The string above has {0} characters long",cat.Length);

        // 3. Return the substring "They are often called house cats" and output this substring

        string catending = cat1.Substring(66,33);

        Console.WriteLine(catending);

        // 4. output the index of the first example of "cat"

        Console.WriteLine(cat1.IndexOf("cat"));

        //5. Insert the sentacne "There are a number of different breeds. " after the end of the first sentence.

        string cat5 = cat1.Insert(66, "There are a number of different breeds. ");

        Console.WriteLine(cat5);

        // 6. Remove the first sentence and output it

        string cat6 = cat1.Remove(0,66);

        Console.WriteLine(cat6);

        //7. Split the string into an array of substring

        string[] Cat = new string[4]; 

        Cat[0] = cat1.Substring(0, 29);

        Cat[1] = cat1.Substring(29,17);

        Cat[2] = cat1.Substring(46,20);

        Cat[3] = cat1.Substring(66,33);

        Console.WriteLine(Cat[0]);

        Console.WriteLine(Cat[1]);

        Console.WriteLine(Cat[2]);

        Console.WriteLine(Cat[3]);

        Console.WriteLine("The original string is - {0}",cat1);

​

​

    }

}