using System;
 
namespace ProgramConsole
{
    class Program
    {
        static void Main(string[] args)
        {
            string str = @"Lorem ipsum dolor sit amet, 
consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum.";
 
            var array = str.Split('\n');
            Console.WriteLine(array[0]);
        }
    }
}

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