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From BIJUMON RAMACHANDRAN <bijuramachand...@yahoo.com>
Subject Re: Newb needs regular expression help
Date Wed, 24 Mar 2004 09:22:02 GMT
> Ref Name: SessionID
> Reg Expr: if it is of standard length (mix char &
digits) just use following format (example: of length
8 means) (\w\w\w\w\w\w\w\w)
or 
if it is just digits (example: of length 8 means)
(\d\d\d\d\d\d\d\d)

> Template: $1$
> Match No: 0
> Default: 0

biju

--- Neal O'Connell <nealoconnell@mi-assistant.com>
wrote:
> I'm having a little trouble with regular
> expressions.  Here is the basic
> flow of the web application when used in a browser
> 
> - User requests page
> - Server returns a frameset (the requested page is
> in the frameset).  A link
> on the frameset page includes a query parameter that
> has a unique identifier
> for session tracking (SessionID is the variable
> name)
> 
> General layout of my script is (using v1.9.1)
> 
> - Thread Group
>   - First Page (GET) (returns a frameset)
>     - Regular Expression Extractor to get SessionID
>   - Second page (POST) (passes SessionID as a
> variable)
> 
> My regular expression has the following properties
> 
> Ref Name: SessionID
> Reg Expr: (SessionID=)(.*)([&"])
> Template: $2$
> Match No: 1
> Default: 0
> 
> I'm obviously missing something, because when I
> monitor the server I can see
> that the SessionID that gets POSTed with the second
> page has a default value
> of 0 rather than what should have been parsed out of
> the extractor.
> 
> From my (albeit minimal) understanding of regular
> expressions, I expect that
> this will look for text in the response that fits
> the pattern:
> 
> Starts with "SessionID="
> Ends with " or &
> Can have 0 or more characters in between.
> 
> And the parantheses break the expression into three
> groups:
> 1 - "SessionID" string literal
> 2 - SessionID value
> 3 - " or & character
> 
> So setting the Template to $2$ means put the second
> group into the variable.
> 
> A snippet from the frameset might help:
> 
>   <frame name="visibleFrame"
>
src="mainpage.htm?InstanceID=1193356129&SessionID=wiQHYYlHzYEokrCo">
> 
> 
> Can somebody please help me out?  Maybe I just need
> to find a quality
> regular expressions tutorial...
> 
> 
> Thanks!
> 
> Neal O'Connell | Developer
> Phone: 859.245.3841 | Fax: 715.287.4499
> MI-Assistant - A Division of Fiserv, FSC 
> 26550 W. Mondovi Street | Eleva, WI  54738
> http://www.mi-assistant.com
> 
> 


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