map is particularly suited to that ismember functionality and undef() returns the Perl equivalent of a null value... 
my ( $result, $count ) = (undef(),0);
map ( $result ||= $count if ( $_ eq "string" ); $count++; } @array;

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Update: Note that in Perl, 0 is the first position in an array.

-M

Free your mind

In reply to Re: Returning position? by Moron
in thread Returning position? by theoya

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