perlquestion perlguru22 I am having some problems passing my array to my subroutine. <code> print " enter a formula.\n"; chomp($form=<>); @array = $form =~ /[A-Z][a-z]?|\d+/ig $weight = getweight(@array); sub getweight { my @weight =@_; } </code> So if the User enters like C12H22O11 when I print at array it shows C 12 H 22 O 11 but when I print or return @weight it goes back to C12H222O11 its no longer seperated do I need to do the reg expression inside the routine too? Thanks I hope someone can show me the right way