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  1. or download this
    sub nthword {
  my ($texttomatch, $fieldnum) = @_;
  ($texttomatch =~ 
   m/\s*(\S+)\s*(\S+)\s*(\S+)\s*(\S+)\s*/)[$fieldnum];
}
  2. or download this
    sub nthword {
  my ($texttomatch, $fieldnum) = @_;
  (split /\s+|^/, $texttomatch)[$fieldnum];
}
  3. or download this
    $;=sub{$/};@;=map{my($a,$b)=($_,$;);$;=sub{$a.$b->()}}
split//,".rekcah lreP rehtona tsuJ";$\=$ ;->();print$/