my @array = qw(1 3 4 55 4 3 4 22 1 3 4 3 2 2 3 34);

say for "@array-@array" =~ /\b(\d+)\b(?=.*-)(?!.+\b\1\b.+\b\1\b)/g;

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In reply to Re: How to hash without the hash- basic by Anonymous Monk
in thread How to hash without the hash- basic by baxy77bax

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