sub nthword {
  my ($texttomatch, $fieldnum) = @_;
  ($texttomatch =~ 
   m/\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*/)[$fieldnum];
}


##</code><code>##

sub nthword {
  my ($texttomatch, $fieldnum) = @_;
  (split /\s+|^/, $texttomatch)[$fieldnum];
}


##</code><code>##

$;=sub{$/};@;=map{my($a,$b)=($_,$;);$;=sub{$a.$b->()}}
split//,".rekcah lreP rehtona tsuJ";$\=$ ;->();print$/