hello demo

<% if (Request.ServerVariables("QUERY_STRING") = "") then %>

%3d%26%2b%23%2f%5c%21%27%2d%5f%2a%2e

=&+#/\!'-_*.<>

<% else %> hello demo

<% = Server.URLEncode("=&+#/\!'-_*.") %>

<% = Server.HTMLEncode("=&+#/\!'-_*.<>") %>

<% end if %>