If you're going to do that often, and you can't have two cities with the same zip code, you can reverse the hash like this: my %reversed = reverse %zips; and then try exists $reversed{$zip}. Or you can grep on the values instead of the keys: grep { $_ eq $zip } values %zips;

In reply to Re: Hash search and returning by value by Eily
in thread Hash search and returning by value by Anonymous Monk

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