Yes, but your hash assignment and scalar constant are wrong. 

use strict; use warnings; 
use Data::Dumper; 
my $hash = {"\"" => 1,':'=>2}; 
print Dumper($hash);

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Any characters can be used in keys, but the scalar constants must be quoted/escaped properly when using one to assign the key.

In reply to Re: quotation mark as key by huck
in thread quotation mark as key by ic23oluk

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