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Re^2: match lines containing state abbreviation

by PerlSufi (Friar)
on Apr 18, 2013 at 17:47 UTC ( #1029395=note: print w/replies, xml ) Need Help??


in reply to Re: match lines containing state abbreviation
in thread match lines containing state abbreviation

Thanks for the response, Ken. That is helpful how you explained it. However, should I make the $content an array of lines to match? I have taken out the foreach operator right now..
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Re^3: match lines containing state abbreviation
by kcott (Chancellor) on Apr 18, 2013 at 18:20 UTC

    Splitting the lines to create an array is probably what I would have done. However, if you want to work directly with a multiline string, here's one way to do it:

    $ perl -Mstrict -Mwarnings -E ' my $lines = "AZ\nSX\nAZ\nDC\nAB\nYZ\n"; say $lines; $lines =~ s/(?>[^A].|.[^Z])\n//gm; say $lines; ' AZ SX AZ DC AB YZ AZ AZ

    In my opinion, the multiline solution is a lot more cryptic than the array solution.

    -- Ken

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