Have you looked at Tie::Hash::Regex -- that allows you to look for hash keys with a regular expression. I have no idea as to the performance impact of this though, so you'll have to benchmark it.

CU
Robartes-

In reply to Re^3: Fast seeking in a large array of hashes to generate a report. by robartes
in thread Fast seeking in a large array of hashes to generate a report. by jbrugger

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