BetterMembership.Web.BetterMembershipProvider.ValidateEmail C# (CSharp) Метод

        private bool ValidateEmail(string email, bool requireUnique, int maxLength)
        {
            if (string.IsNullOrWhiteSpace(email) && requireUnique)
            {
                return false;
            }

            if (string.IsNullOrWhiteSpace(email))
            {
                return true;
            }

            if (email.Length > maxLength)
            {
                return false;
            }

            if (this.EmailStrengthRegularExpression.Length > 0)
            {
                if (!Regex.IsMatch(email, this.EmailStrengthRegularExpression))
                {
                    return false;
                }
            }

            return true;
        }