escape_skipping_slashes

# File activesupport/lib/active_support/core_ext/cgi/escape_skipping_slashes.rb, line 5
        def escape_skipping_slashes(str)
          str = str.join('/') if str.respond_to? :join
          str.gsub(/([^ \/a-zA-Z0-9_.-])/n) do
            "%#{$1.unpack('H2').first.upcase}"
          end.tr(' ', '+')
        end