URLSlugify.cs

public static string GenerateSEOFriendlyUrl(string uncleanUrl)
        {
            //Trim Start and End Spaces.
            uncleanUrl = uncleanUrl.Trim();
            //Trim "-" Hyphen
            uncleanUrl = uncleanUrl.Trim('-');
            uncleanUrl = uncleanUrl.ToLower();
            char[] chars = @"$%#@!*?;:~`+=()[]{}|\'<>,/^&"".".ToCharArray();
            //Replace . with - hyphen
            uncleanUrl = uncleanUrl.Replace(".", "-");
            //Replace Special-Characters

            for (int i = 0; i < chars.Length; i++)
            {
                string strChar = chars.GetValue(i).ToString();
                if (uncleanUrl.Contains(strChar))
                    uncleanUrl = uncleanUrl.Replace(strChar, string.Empty);
            }
            //Replace all spaces with one "-" hyphen
            uncleanUrl = uncleanUrl.Replace(" ", "-");

            //Replace multiple "-" hyphen with single "-" hyphen.
            uncleanUrl = uncleanUrl.Replace("--", "-");
            uncleanUrl = uncleanUrl.Replace("---", "-");
            uncleanUrl = uncleanUrl.Replace("----", "-");
            uncleanUrl = uncleanUrl.Replace("-----", "-");
            uncleanUrl = uncleanUrl.Replace("----", "-");
            uncleanUrl = uncleanUrl.Replace("---", "-");
            uncleanUrl = uncleanUrl.Replace("--", "-");

            //Run the code again...
            //Trim Start and End Spaces.
            uncleanUrl = uncleanUrl.Trim();
            //Trim "-" Hyphen
            uncleanUrl = uncleanUrl.Trim('-');

            if (uncleanUrl.Length > 100)
            {
                uncleanUrl = uncleanUrl.Substring(0, 100);
            }

            return uncleanUrl;
        }