Validate Email Address using RegularExpressionValidator control

By bryan tugade

We can validate inputted email address by using RegularExpressionValidator control in asp.net pages.

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="validator.aspx.vb" Inherits="validator" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
  </head>
<body>
    <form id="form1" runat="server">

    <table >
        <tr>
            <td >
                 Email</td>
            <td>
    <asp:TextBox ID="txtemail" runat="server" />

<asp:RegularExpressionValidator ID="rev" runat="server"
                     
ErrorMessage="Please input correct email address!" ControlToValidate="txtemail"

                     
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>

             </td>
        </tr>
        <tr>
            <td >
                  </td>
            <td>
                 <asp:Button ID="submit" runat="server" Text="Submit" />
            </td>
        </tr>
    </table>
    </form>
</body>
</html>

Validate Email Address using RegularExpressionValidator control  (2782 Views)