Extract Email from any Web Site using C#.net

2) How to Extract Email from the Web page:

        public string[] Extract_Emails(string source)

        {

            string[] Email_List = new string[0];

            Regex r = new Regex(@"[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,6}", 

               RegexOptions.IgnoreCase);        

             Match m;

             //Searching for the text that matches the above regular 

              expression(which only matches email addresses)

            for (m = r.Match(source); m.Success; m = m.NextMatch())

            {

                //This section here demonstartes Dynamic arrays

                if (m.Value.Length > 0)

                {

  //Resize the array Email_List by incrementing it by 1, to save the next result                   

if (Array.IndexOf(Email_List, m.Value) < 0)

                    {

                        Array.Resize(ref Email_List, Email_List.Length +

                        Email_List[Email_List.Length - 1] = m.Value;

                    }

                }

            } 

            return Email_List;

        }