大家给看下一个验证.rar文件的正则表达式错哪了?
<asp:RegularExpressionValidator id="FileUpLoadValidator" runat="server"
ErrorMessage="Upload rar and zip only."
ValidationExpression="^(([a-zA-Z]:)|(\\{2}\w+)\$?)(\\(\w[\w].*))(.rar|.RAR|.zip|.ZIP)$"
ControlToValidate="FileUpload1" >
就这么一句话 验证不出来 就是选.rar文件 ,还出提示,怎么回事???