in message
<5(_dot_)1(_dot_)0(_dot_)14(_dot_)0(_dot_)20020823210912(_dot_)03282140(_at_)localhost>,
wrote Hack Hawk thusly...
procmail syntax looks a lot like perl syntax
don't make that mistake, or you will be very un-pleasingly
surprised, especially w/ the regular expressions. (well, after
that, what else is there to suggest procmail's syntax is similar to
perl's?)
to list a few differences from a large list, procmail's regex
(engine?) does not have support for range operators {n,m},
zero-width word boundaries, or multiple back-references in a single
statement.
see procmailrc(5) & mailing list archive for further surprises,
confusions, & explanations.
- parv
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