pastebin - collaborative debugging

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Text.RegularExpressions;
using System.IO;

namespace WikiParser
{
    class Program
    {
        static void Main(string[] args)
        {
            var wikiPageUrl = "http://ro.wikipedia.org/wiki/Lista_universit&#259;&#355;ilor_din_România";
            var regEx = "<li><a href=\"(/wiki/|/w/index\\.php).+\".*title=\".+\">(.+)</a></li>";
            var outputFilePath = @"d:\temp\s2b_universities.txt";

            if (File.Exists(outputFilePath))
            {
                Console.Write("The file {0} already exists on the system. Would you like to overwrite it? (Y/N) ",
                    outputFilePath);
                var result = Console.ReadLine().ToLower();
                if (result != "y")
                    Environment.Exit(0);
                File.Delete(outputFilePath);
            }

            Console.WriteLine("Downloading data from {0}.",wikiPageUrl);
            var webClient = new WebClient();
            webClient.Encoding = Encoding.UTF8;
            webClient.UseDefaultCredentials = true;
            var wikiString = webClient.DownloadString(wikiPageUrl);
            Console.WriteLine("Download completed.");
            Console.WriteLine("Applying {0} regex pattern on the data",regEx);
            foreach (Match m in Regex.Matches(wikiString, regEx))
            {
                File.AppendAllText(outputFilePath, m.Groups[2].Value + Environment.NewLine,Encoding.UTF8);
                Console.WriteLine("Writing {0} done.",m.Groups[2].Value);
            }
            Console.WriteLine("Done. The results are available in {0}. Press any key to continue.",outputFilePath);
            Console.ReadLine();
        }
    }
}