Telling m//g in list context to forget about the captures and just return the matches:

@list = "ZBBCZZ" =~ /(??{'(.)\1*'})/g;

[download]

or probably more exact: there are no captures m// can see

In reply to Re^6: Yet Another Rosetta Code Problem (Perl, Ruby, Python, Haskell, ...) (??{}) by pKai
in thread Yet Another Rosetta Code Problem (Perl, Ruby, Python, Haskell, ...) by eyepopslikeamosquito

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