From: ts Date: 2004-06-29T21:22:05+09:00 Subject: Re: String substitution bug >>>>> "M" == Martin Schoettler writes: M> puts "a\\b".sub( /\\/, "\\\\" ) This is not a bug, see http://www.rubycentral.com/faq/rubyfaq-9.html#ss9.18 Guy Decoux