using System;

//using System.Collections.Generic;

//using System.IO;

//using System.Linq;

using System.Net;

//using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main(string[] args)

    {

        string metin ="";

        WebClient client = new WebClient();

        string jsonstring;

        jsonstring = client.DownloadString("https://en.wikipedia.org/w/api.php?action=parse&section=0&prop=text&format=json&page="+ "pizza");

        dynamic dynObj = Newtonsoft.Json.JsonConvert.DeserializeObject(jsonstring);

        foreach(string st in dynObj.parse.text){

            metin+=st;  

        }

        //Console.WriteLine(metin);

        int sayac = 0;

        string kelime = "pizza";

        int konum = metin.IndexOf(kelime);

        while (konum != -1)

        {

            konum = metin.IndexOf(kelime, konum + 1);

            sayac++;

        }

        Console.WriteLine("Wikipedia sorgusu toplam " + sayac + " adet " + kelime + " konusu içeriyor.");

    }

}

​

​