A regular expression doesn't return an array (while would be neccessary for for(each)), it just returns true or false.

It depends 

warn $_ for "one" =~ /./;
warn $_ for "two" =~ /./g;
warn $_ for scalar "two" =~ /./g;
__END__
1 at - line 1.
t at - line 2.
w at - line 2.
o at - line 2.
1 at - line 3.

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In reply to Re^2: Comparing strings to reduce excess results by Anonymous Monk
in thread Comparing strings to reduce excess results by grub_

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