Question

How to shift each letter in a string N places up in the alphabet with C#

Answer 1

using System;
using System.Text;

public class Program
{
	public static string shiftEachLetterNPlacesUp(string str, int N)
	{
		StringBuilder result = new StringBuilder();

		foreach (char ch in str.ToCharArray()) {
			int asciiCode = (int)ch + N;
			if ((asciiCode >= 97 && asciiCode <= 122) || (asciiCode >= 65 && asciiCode <= 90)) {
				result.Append((char)asciiCode);
			}
			else {
				result.Append(ch);
			}
		}
		return result.ToString();
	}
	public static void Main(string[] args)
	{
		Console.WriteLine(shiftEachLetterNPlacesUp("8a Fkq", 3));
	}
}



/*
run:
   
8d Int
   
*/

 

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