private void bunifuFlatButton2_Click(object sender, EventArgs e)
        {
            string username = textBox1.Text;
            bool IsRealUser = Regex.IsMatch(username, @"A(?:[A-Za-z0-9!#$%&'*+/=?^_`{|}~-]+(?:.[A-Za-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[A-Za-z0-9](?:[A-Za-z0-9-]*[A-Za-z0-9])?.)+[A-Za-z0-9](?:[A-Za-z0-9-]*[A-Za-z0-9])?)Z");
            string password = textBox2.Text;
            bool IsRealPass = Regex.IsMatch(password, @"^(?=.*[a-z])(?=.*[A-Z])(?=.*d).{8,15}$");
            string email = textBox4.Text;
            bool IsRealEmail = Regex.IsMatch(email, @"^([0-9a-zA-Z]([-.w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-w]*[0-9a-zA-Z].)+[a-zA-Z]{2,9})$");

            if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "")
            {
                System.Windows.Forms.MessageBox.Show("Fill out the required forms!");
                return;
            }
            else if (textBox2.Text != textBox3.Text)
            {
                System.Windows.Forms.MessageBox.Show("Your passwords are not matching");
            }

            else if (IsRealPass || IsRealUser || IsRealEmail)
            {
//
}