This does not work for me. I expect the length of the string 'abc' to be 3, but your code returns 0: 
use strict;
use warnings;

my $str = 'abc';
my $cnt = @{[$str =~ /(\.)/g]};
print "$cnt\n";

__END__
0

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In reply to Re^3: Counting number of characters in a string by toolic
in thread Counting number of characters in a string by jeffpflueger

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