Python re to extract useful information from each line

Newsgroups	comp.lang.python
Date	2015-04-29 13:42 -0700
Message-ID	<e5473ccc-4f7d-431d-93a7-1aeeededcbf0@googlegroups.com> (permalink)
Subject	Python re to extract useful information from each line
From	Kashif Rana <kashifrana84@gmail.com>

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Hello Experts

I have below lines with some variations.

1- set policy id 1000 from "Untrust" to "Trust" "Any" "1.1.1.1" "HTTP" nat dst ip 10.10.10.10 port 8000 permit log

2- set policy id 5000 from "Trust" to "Untrust" "Any" "microsoft.com" "HTTP" nat src permit schedule "14August2014" log

3- set policy id 7000 from "Trust" to "Untrust" "Users" "Any" "ANY" nat src dip-id 4 permit log

4- set policy id 7000 from "Trust" to "Untrust" "servers" "Any" "ANY" deny

Please help me to write the regular expression to extract below information in parenthesis, if exist from each line. Please note that some items may exist or not like nat or log

set policy id (id) from (from) to (to) (source) (destination) (service) nat (src or dst) (dip-id 4) or (ip 10.10.10.10) port (dst-port) (action) schedule (schedule) (log)

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Python re to extract useful information from each line Kashif Rana <kashifrana84@gmail.com> - 2015-04-29 13:42 -0700
  Re: Python re to extract useful information from each line Kashif Rana <kashifrana84@gmail.com> - 2015-04-29 13:49 -0700
    Re: Python re to extract useful information from each line Emile van Sebille <emile@fenx.com> - 2015-04-29 14:22 -0700
    Re: Python re to extract useful information from each line MRAB <python@mrabarnett.plus.com> - 2015-04-29 22:28 +0100
    Re: Python re to extract useful information from each line Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-04-29 22:30 +0100
    Re: Python re to extract useful information from each line Tim Chase <python.list@tim.thechases.com> - 2015-04-29 17:38 -0500
  Re: Python re to extract useful information from each line sohcahtoa82@gmail.com - 2015-04-29 16:29 -0700
  Re: Python re to extract useful information from each line Paul McGuire <ptmcg@austin.rr.com> - 2015-08-19 12:53 -0700

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