protected void btnValidate_Click(object sender, EventArgs e)
{
bool isEmail = Regex.IsMatch(txtEmail.Text.Trim(), @"\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");
if (!isEmail)
{
lblerrormsg.Text = "Enter Valid Email ID..";
lblerrormsg.ForeColor = System.Drawing.Color.Red;
return;
}
else
{
lblerrormsg.Text = "Valid Email";
lblerrormsg.ForeColor = System.Drawing.Color.Green;
}
}
