regex benchmark

        private static void Main()
        {
            Console.ReadLine();
            Console.WriteLine("Hello, world!");
            Console.WriteLine("Usage: benchmark <filename>");


            string data = DataIsFuxxkingBig();
            // Email
            Measure(data, new Regex(@"[\w\.+-]+@[\w\.-]+\.[\w\.-]+", RegexOptions.Compiled) );

            // URI
            Measure(data, new Regex(@"[\w]+://[^/\s?#]+[^\s?#]+(?:\?[^\s#]*)?(?:#[^\s]*)?", RegexOptions.Compiled) );

            // IP
            Measure(data, new Regex(@"(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])", RegexOptions.Compiled) );

            Console.ReadLine();
        }
        static void Measure(string data, Regex pattern)
        {
            Stopwatch stopwatch = Stopwatch.StartNew();
            MatchCollection matches = pattern.Matches(data); 
            int count = matches.Count;
            stopwatch.Stop();
            Console.WriteLine(stopwatch.Elapsed.TotalMilliseconds.ToString("G", System.Globalization.CultureInfo.InvariantCulture) + " - " + count);
        }