you can extract value of No parameter:
when HTTP_REQUEST {
set ParamsiteName [URI::query [HTTP::uri] siteName]
if {([string tolower [HTTP::path]] equals "/bin/enterprise") && ($ParamsiteName equals "a")} {
set ParamNo [URI::query [HTTP::uri] No]
switch $ParamNo {
"SAV603" -
"DP6012" -
"SA1005" { HTTP::redirect "http://go.pqr.com/elib" }
default {}
}
}
}
or with class as requested:
when HTTP_REQUEST {
set ParamsiteName [URI::query [HTTP::uri] siteName]
if {([string tolower [HTTP::path]] equals "/bin/enterprise") && ($ParamsiteName equals "a")} {
set ParamNo [URI::query [HTTP::uri] No]
if { ([class match $ParamNo contains class_NoQueryStringValuesToRedirect]) } {
HTTP::redirect "http://go.pqr.com/elib"
}
}
}