// Problem: Extract all possible substrings from a string. (STRINGS)

//1. Define the string

//2. Determine the min/max length of the various substrings

//3. Determine the start and end of the substring

//4. Write out the substrings

​

using System;

public class Program

{

    public static void Main()

    {

        string value = "rstuvwxyz";

        for (int length = 1; length < value.Length; length++)

        {

            for (int start = 0; start <= value.Length - length; start++)

            {

                string substring = value.Substring(start,length);

                Console.WriteLine(substring);

            }

        }

​

    }

}

​