current C<pos> location of the string's variable
(or at index zero, if no C<pos> position is defined).
In other words, the C<extract_...> subroutines I<don't>
current C<pos> location of the string's variable
(or at index zero, if no C<pos> position is defined).
In other words, the C<extract_...> subroutines I<don't>