Joining words with "|", you can check a string at one time. And I use "quotemeta" to quote regular expression magic characters. 
chomp (@blocked);
my $regex = join "|", map{ quotemeta($_) } @blocked;
if( $FORM{'comments'} =~ /$regex/){
  ...
}

[download]
Hope this helps,

In reply to Re: Blocking based on words in a list by myuji
in thread Blocking based on words in a list by matts156

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