You can use a regex to remove the duplicates: 
use strict;
use warnings;

my $strng = "hello hello the beatle said said to his fans";
my @words = $strng =~ /\G(\w+ ?)\1*/g;

print join "*", @words;
# hello *the *beatle *said *to *his *fans

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holli, /regexed monk/

In reply to Re: removing repeats by holli
in thread removing repeats by dummy2

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