Forum Discussion

Joe_Pipitone's avatar
Joe_Pipitone
Icon for Nimbostratus rankNimbostratus
Mar 02, 2011

Regex

I've been requested to perform a rewrite / redirect which does the following:     http://subdomain.ourcompany.com/webext/01.aspx?status=error (pass the 01 over to the url below and say id=thatNu...
application delivery
dev
devops
iRules
hooleylist's avatar
hooleylist
Icon for Cirrostratus rankCirrostratus
Mar 03, 2011
Another option would be to extract the web object and extension using URI::basename:

http://devcentral.f5.com/wiki/default.aspx/iRules/URI__basename.html 

when HTTP_REQUEST {
    Check if URI starts with /webext and there is a query string parameter named status set to "error"
   if {[string tolower [HTTP::uri]] starts_with "/webext" and [URI::query "?&[HTTP::query] &status] eq "error"}{
       Parse 000file.ext from /path/to/000file.ext and save the leading digits to the $id variable
       where 000 is one or more digits and file.ext is any string
      scan [URI::basename [HTTP::uri]] {%[0-9]%s} id rest
      if {$id ne ""}{
         log local0. "Scanned $id from $uri"
         HTTP::redirect "http://[HTTP::host]/post/post.ashx?id=${id}&status=error"
      }
   }
}

Aaron