From: Mario Ruiz Date: 2013-02-21T19:26:23+09:00 Subject: backslash substitution don't know why... but this is not working a=" xxxxxx\tttt\3.4.2\uuuu" puts a.gsub('\\','/') And the result is: xxxxxx ttt.4.2uuuu what i want is xxxxxxx/tttt/3.4.2/uuuu -- Posted via http://www.ruby-forum.com/.