The parent requires Perl 5.8. The following is more portable: 
my @a = (
    [ 'start 0', $b =~ /(.)./g ],
    [ 'start 1', $b =~ /.(.)/g ],
);

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In reply to Re^2: need to put values (from unpack) into array-ref by ikegami
in thread need to put values (from unpack) into array-ref by jeanluca

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