I want to differentiate between the types and tokens in hash..
for e.g if i have
my $str='finding related pages on the world wide web the web';
here, how can i get access to the tokens of hash and types of hash.. basically for duplication i need this.
for eg. "the" and "web" in $str are repeated. so in such cases tokens and types helps.
so, need to know how to use them..
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