I know that PDL uses fancy reference slices for multidimensional numerical matrixes. I don't know if it can be used for non-numeric matrixes (which you example implies), or whether you could at least use PDL-like techniques.

update: PDL::Char is a likely candidate.

In reply to Re: Selecting Ranges of 2-Dimensional Data by pryrt
in thread Selecting Ranges of 2-Dimensional Data by haukex

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