using System;

public class Program

{

    public static void Main()

    {

        String s1 = "My name is Luka";

        Console.WriteLine("Unesi slovo za pretragu");

        string slovo=Console.ReadLine();

        int charPos = s1.IndexOf(slovo);

        if(charPos!=-1){

            Console.WriteLine("Trazeni karakter " + slovo +" postoji");

        }

        else{

            Console.WriteLine("Trazeni karakter " + slovo +" ne postiji");

        }

    }

}

​

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​

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