Thanks so much for the reply John,

On Mon, 03 Jan 2005 04:07:05 -0800, John W. Krahn <[EMAIL PROTECTED]> wrote:


I don't know if I am a master but I wouldn't use a regular expression.

In my eyes, you certainly is a master! BTW, can you explain what's the difference between these two?


sub hamming_distance_string { ( $_[0] ^ $_[1] ) =~ tr/\0// } sub hamming_distance_string { () = ( $_[0] ^ $_[1] ) =~ /\0/g }


PS: Thanks to Ted and Jenda for the response as well.

--
Edward WIJAYA
Singapore

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