// @nuget: HtmlAgilityPack

​

using System;

using HtmlAgilityPack;

using System.Collections.Generic;

using System.Net;

using System.Diagnostics;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        string htmlCode;

        using(WebClient client = new WebClient()){

            htmlCode = client.DownloadString("https://www.palabrasque.com//palabra-aleatoria.php?Submit=Nueva+palabra");

        }

        byte[] bytes = Encoding.Default.GetBytes(getBetween(htmlCode,"/><b>","</b></font>  </font></p>"));

        htmlCode = Encoding.UTF8.GetString(bytes);

        Console.Write(htmlCode);

    }

    public static string getBetween(string strSource, string strStart, string strEnd)

{

    int Start, End;

    if (strSource.Contains(strStart) && strSource.Contains(strEnd))

    {

        Start = strSource.IndexOf(strStart, 0) + strStart.Length;

        End = strSource.IndexOf(strEnd, Start);

        return strSource.Substring(Start, End - Start);

    }

    else

    {

        return "";

    }

}

}