Validation which accept( empty , numeric or Float values)

Posted by Venkat | Labels: ,

Now we have to discuss about the validationexpression ie:

the textbox should accept empty values , numeric ( float ) .

Implementation Code :

^\d*\.?\d*$

HTML


<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator ID="RegularExpressionValidator3" runat="server" ErrorMessage="Invalid format" ControlToValidate="TextBox3" ValidationExpression="^\d*\.?\d*$" ValidationGroup="d"></asp:RegularExpressionValidator>
<asp:Button ID="Button5" runat="server" Text="Button" ValidationGroup="d" />
Matches

( ) -> empty value
4535
520.20
2.54

Non-Matches

21.0dfdf
47854
Rpks

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