Easy C# Code to pull TheRock.net.nz playlist

RockNoRepeat.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using HtmlAgilityPack;
using System.Text.RegularExpressions;
using System.IO;

namespace TheRockNoRepeat
{
    class Program
    {
        static void Main(string[] args)
        {
            //Download the webpage contents. 
            WebClient client = new WebClient();
            var webpageContents = client.DownloadString("http://www.therock.net.nz/Shows/Workday.aspx");

            //Store it in an HTML document for easier access. 
            HtmlDocument webpageHtml = new HtmlDocument();
            webpageHtml.LoadHtml(webpageContents);

            Regex timeRegex = new Regex("var fullday = \"(.*)\";");
            Regex titleRegex = new Regex("var tit = \"(.*)\";");
            Regex artistRegex = new Regex("var art = \"(.*)\";");

            var timeMatches = timeRegex.Matches(webpageContents);
            var titleMatches = titleRegex.Matches(webpageContents);
            var artistMatches = artistRegex.Matches(webpageContents);

            if(timeMatches.Count != titleMatches.Count || titleMatches.Count != artistMatches.Count)
                throw new Exception("Unable to find the correct amount of matches");

            List<string> outputLines = new List<string>();
            for(int i =0; i < timeMatches.Count; i++)
            {
                outputLines.Add(string.Format("{0},\"{1}\",\"{2}\"", timeMatches[i].Groups[1].Value, titleMatches[i].Groups[1].Value, artistMatches[i].Groups[1].Value));
            }

            //Just reverse them so oldest is at the bottom. 
            File.AppendAllLines("output.csv", outputLines.AsEnumerable().Reverse());

        }
    }
}