or even 
my %H;
for my $item (@bigarray) {
    push @{$H{$1}}, $item
        if ($item =~ /(A|B|C)/);
}

[download]


holli

When you're up to your ass in alligators, it's difficult to remember that your original purpose was to drain the swamp.

In reply to Re^2: Fastest way to grep multiple time on some array by holli
in thread Fastest way to grep multiple time on some array by Anonymous Monk

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