Why bother with the while loop? 
my $str= "aaa aa aaa";
print "String = '$str'\n";
() = $str =~ /(?=aa)(?{print pos($str),"\n"})./g;
__END__
String = 'aaa aa aaa'
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flounder

In reply to Re: Elegant (i.e. declarative) way to find all possibly overlapping matches by flounder99
in thread Elegant (i.e. declarative) way to find all possibly overlapping matches by jsegal

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