Any better suggestions?

Learn to copy paste better :) because the regex you're using, isn't the same one BrowserUk posted

His regex works, despite him posting the code in the context of his REPL (Read Eval Print Loop), see RFC: IPerl - Interactive Perl ( read-eval-print loop ), Re^6: RFC: IPerl - Interactive Perl ( read-eval-print loop ) (x)

I checked 

#!/usr/bin/perl --
#~ 2011-12-07-04:10:56PDT by Anonymous Monk
#~ perltidy -csc -otr -opr -ce -nibc -i=4     
use strict;
use warnings;
use autodie; # dies if open/close... fail

Main( @ARGV );
exit( 0 );

sub Main {
    if ( @_ == 2 ) {
        NotDemoMeaningfulName(@_);
    } else {
        Demo();
        print '#' x 33 ,"\n", Usage();
    }
} ## end sub Main

sub NotDemoMeaningfulName {
    my ( $inputFile, $outputFile ) = @_;
    open my ($inFh),  '<', $inputFile;
    open my ($outFh), '>', $outputFile;
    while( defined( my $data = <$inFh>) ){
        print $outFh "$_\n"
            for $data =~ m[\@include\s('[^']+'|"[^"]+"|.+?(?<!\\))\s]g
+;
#                         /\@include\s+('[^']+'|"[^"]+"|.+?(?<!\\))\s+
+/g
    }
    close $inFh;
    close $outFh;
} ## end sub NotDemoMeaningfulName 

sub Usage {
    <<"__USAGE__";
$0    
$0    dataFile     newDataFile

__USAGE__
} ## end sub Usage


sub Demo {
    my ( $Input, $WantedOutput )  = DemoData();
    NotDemoMeaningfulName( \$Input, \my $Output );
    require Test::More;
    Test::More::is(
        $Output,
        $WantedOutput,
        ' NotDemoMeaningfulName Works Aas Designed'
    );
    Test::More::done_testing();
    print "\n$Output\n";
} ## end sub Demo

sub DemoData {
#~ http://perlmonks...
    my $One = <<'__One__';
@include test
#some "random stuff" @include "some file" did you parse that?
#more 'random' stuff @include 'another file' you sure?
#and more random stuff @include yet\ another\ file positive?
__One__

#~ http://perlmonks...
    my $Two = <<'__Two__';
test
"some file"
'another file'
yet\ another\ file
__Two__

    return $One, $Two;
} ## end sub DemoData

__END__
$ perl pm.re.942167.pl
ok 1 -  NotDemoMeaningfulName Works Aas Designed
1..1

test
"some file"
'another file'
yet\ another\ file

#################################
pm.re.942167.pl
pm.re.942167.pl    dataFile     newDataFile

[download]

In reply to Re^3: Help with a regular expression for file name parsing by Anonymous Monk
in thread Help with a regular expression for file name parsing by bontchev

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