emailid validation in vb.net

Question

how to validate this id in vb.det

"[email protected]" using=ValidationExpression="^[\w-]+@[\w-]+.(com|net|org|edu|mil)$ this above code will not accept this id but this is a valid one for example

<tr> <td align="right"> <font face="Arial" size="2">Email Address:</font> </td> <td> <asp:TextBox ID="email" Width="200px" MaxLength="60" runat="server" /> </td> <td> <asp:RequiredFieldValidator ID="emailReqVal" ControlToValidate="email" ErrorMessage="Email. " Display="Dynamic" Font-Names="Verdana" Font-Size="12" runat="server"> * </asp:RequiredFieldValidator> <asp:RegularExpressionValidator ID="emailRegexVal" ControlToValidate="email" ErrorMessage="Email. " Display="Static" ValidationExpression="^[\w-]+@[\w-]+\.(com|net|org|edu|mil)$" Font-Names="Arial" Font-Size="11" runat="server"> Not a valid e-mail address. Must follow [email protected]. </asp:RegularExpressionValidator> </td> </tr>

pavanred · Accepted Answer · 2010-01-30 18:18:01Z

1

^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$

answered Jan 30, 2010 at 18:18

pavanred

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Comments

Ahmad Mageed · Accepted Answer · 2010-01-30 18:12:47Z

The "." in the address is not part of the allowed characters specified by [\w-].

Try this instead: ^[\w.-]+@[\w.-]+\.(com|net|org|edu|mil)$

You should also escape the last "." since this would match any single character in regex, not necessarily a dot. Escaping it treats it as a literal dot as shown above.

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