Store variable from STREAM::expression and use in HTTP_RESPONSE context

Hi Hoolio,

I'm not quite sure how that works.

I've taken another tact given the new insights herein.

The new issue I'm having is my string replacement does not appear to be functioning, my redirect appears to remain unvaried

When STREAM_MATCHED {
    Insert  $myVar to the URI component of the HREF following 
    the junction /Junction/ for subsequent ingress processing
    set myVar [string tolower [getfield [STREAM::match] "." 1]]
    STREAM::replace  "external.domain.name/Junction/$myVar/"
}when HTTP_REQUEST {
    Disable the stream filter for all requests via VS
    STREAM::disable

    Check URI for part of myVar (nodename01 to nodename19)
    if {[HTTP::uri] contains "nodename"}{
    set myVarCookie [getfield [HTTP::uri] "/" 3]
            
       Set & Insert Cookie for processing
       HTTP::cookie insert name "EV" value $myVar path "/"
 
       Redirect client for processing by the Internal VS
       ideally the preceding / needs to be removed after myVar as well
       HTTP::redirect [string map {$myVar ""} [HTTP::uri]]
 
    }
}
 
when HTTP_RESPONSE {
   Disable the stream filter by default
   STREAM::disable
 
     Enable the stream filter for text responses only
    if {[HTTP::header value Content-Type] contains "text"}{
 
        Find the value I want to change, but manage change in STREAM_MATCHED
        STREAM::expression {@string@@}
 
        Enable the stream filter for this response only
        STREAM::enable
    }
  
}