Sorry but searching thru an array "of all permutations of length n" doesnt make sense. If the tested string is shorter than n it will be a member by definition (modulo side criterias like repetition). If its just about counting use a hash like shown and a logical test.

Cheers Rolf

In reply to Re: counting instances of one array in another array by LanX
in thread counting instances of one array in another array by jsmagnuson

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