$count++ while $string =~ /\GAA/gc;
Er, no, the \G there serves no purpose as that's the default behaviour anyway. On this other hand this will work, by only consuming the first character of the match: 
$count++ while $string =~ /A(?=A)/g;

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Dave.

In reply to Re^2: counting overlapping patterns by dave_the_m
in thread counting overlapping patterns by Anonymous Monk

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