how about this then? it splits on any non-word character, and takes acount for case. 
my %counts;
while (<>) {
  $counts{ lc $_ }++ for split /\W+/;
}
print "$_: $counts{$_}\n" for sort keys %counts;

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In reply to Re^2: Word incidence count by mrborisguy
in thread Word incidence count by redhotpenguin

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