<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ControlToValidate="txtPassword" ErrorMessage="can not use this password"
Font-Bold="True" ForeColor="White"
ValidationExpression="(?=^.{8,}$)(?=.*\d)(?=.*\W+)(?![.\n]).*$">
</asp:RegularExpressionValidator>
ValidationExpression "(?=^.{8,}$)(?=.*\d)(?=.*\W+)(?![.\n]).*$"
은 무엇을 찾으나요?ASP.NET Validator 컨트롤의 정규식