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How does the regular expression validator work? What are two
situations when you might want to use one?
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Answer Posted / pallavi
E-mail: <asp:textbox id="textbox1" runat="server"/>
<asp:RegularExpressionValidator id="valRegEx" runat="server"
ControlToValidate="textbox1"
ValidationExpression=".*@.*"
ErrorMessage="* Your entry is not a valid e-mail address."
display="dynamic">*
</asp:RegularExpressionValidator>
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