From: Raj Singh <neeraj.jsr@...>
Date: 2009-03-25T05:32:36+09:00
Subject: gsub and single quote issue

a = " Ruby's gem "

puts a.gsub(/[']/, "") #=> 1. Rubys gem

puts a.gsub(/[']/, "'") #=> 2. Ruby's gem

puts a.gsub(/[']/, "\'") #=> 3. Ruby's gem

puts a.gsub(/[']/, "\\'") #=> 4. Rubys gem s gem

puts a.gsub(/[']/, "\\\'") #=> 5. Rubys gem s gem

puts a.gsub(/[']/, "\\\\'") #=> 6. Ruby\'s gem

puts " "


I couldn't understand the result for #4 and #5. Any explanation is
appreciated.
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