You could also allow for referencing the whole match as 0 with:

$str =~ $regex; my @matches = map substr( $str, $-[$_], $+[$_] - $-[$_] ), 0..$#-;

In reply to Re^2: Double interpolation of captured substrings by Fletch
in thread Double interpolation of captured substrings by bobf

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":