Just for giggles, here's that using grep:

my @keepers = grep { $array1[$_] =~ /keep these/ }
              0 .. $#array1;
@array1 = @array1[@keepers];
@array2 = @array2[@keepers];

[download]

In reply to Re^2: Use grep with two arrays by revdiablo
in thread Use grep with two arrays by lampros21_7

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