using System;

public class Program

{

    public static void Main()

    {

            string cards = "Gachi 1 | Gachi 2 | Gachi 3 | Gachi 4 | Gachi5";

            string[] splittedCards = cards.Split(new [] {" | "}, StringSplitOptions.None);

​

            //Get card by index

            Console.WriteLine(splittedCards[0]);

​

            //Get all splitted cards

            foreach (var splittedCard in splittedCards)

            {

                Console.WriteLine(splittedCard);

            }

    }

}