Email validation

Here's a small method for Email validating in C#. It may save you some time.

public static bool MailValidation(TextBox textBox)

        {

            try

            {

                string pattern = @"^[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$";

                System.Text.RegularExpressions.Match match = Regex.Match(textBox.Text.Trim(), pattern, RegexOptions.IgnoreCase);

                if (match.Success)

                {

                    return true;

                }

                else

                {

                    if (textBox.Text != string.Empty)

                    {

                        MessageBox.Show("This is a valid email address.");

                        return false;

                    }

                }

            }

            catch (Exception exp)

            {

                throw exp;

            }

            return false;

        }