using System;

public class Program

{

    public static void Main()

    {

        string data = "Ontvangstdatum: 18/10/2021 || isng";

        string[] data2 = data.Split('|');

        Console.WriteLine(data2[0] + "  stringone");

        Console.WriteLine(data2[1] + "  stringtwo");

        Console.WriteLine(data2[2] + "  stringthree");

    }

}