On Thu, May 8, 2008 at 2:53 PM, Aspersieman <[EMAIL PROTECTED]> wrote: > Hi > > I have a python script that parses email headers to extract information > from them. I need to get the _last_ messageid in the 'References' field > (http://cr.yp.to/immhf/thread.html) to create a threaded view of these > emails (these messageid's are stored in a database). > > Now, I can easily access the 'References' field using the python 'email' > module, but I need a regular expression to get the last messageid in the > 'References' field. > > Here's what I have so far: > <code> > rx_lastmesgid = re.compile(r"(<.+>$)") > lastmesgid = "".join( filter( rx_lastmesgid.match, parentid ) ) # > parentid's value is > eg:"<[EMAIL PROTECTED]><[EMAIL PROTECTED]><[EMAIL PROTECTED]><[EMAIL > PROTECTED]><[EMAIL PROTECTED]>" > lastmesgid = "".join( filter( rx_lastmesgid.match, parentid ) ) > </code> > > I need it to return "<[EMAIL PROTECTED]>" > > Can anyone help? >
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