From: Joel Pearson <lists@...>
Date: 2013-05-24T01:13:19+09:00
Subject: Regular expression to find a break in a pattern

I have a large file which lots of gibberish in and I'm trying to find
the meaningful sections.

Essentially I'll have something like this:

________________

To: "1313131"
From: "1313131"
random data lines

To: "1313132"
From: "1313132"
random data lines

To: "1313133"
From: "1313132"
random data lines

To: "1313134"
From: "1313134"
random data lines

________________

What I need to do is locate the line(s) where From is different from To.
In this case, the one From "1313132" To "1313133".

I don't know how to do this kind of match, but I assume that Ruby has a
way?

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