I would use positive lookahead with capturing: 

$ perl -wle '$_ = "abaca"; @a = /(?=(a.a))/g; print "@a"'
aba aca

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Abigail

In reply to Re: regexp g option: finds all occurrences? ha!! by Abigail-II
in thread regexp g option: finds all occurrences? ha!! by cyphedude

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