Specify Unicode UTF-8, or start Ruby with -Ku option : encoding « String « Ruby






  1. Ruby
  2. String
  3. encoding

Specify Unicode UTF-8, or start Ruby with -Ku option


$KCODE = "u"        # Specify Unicode UTF-8, or start Ruby with -Ku option
require "jcode"     # Load multibyte character support

mb = "2\303\2272=4" # This is "2×2=4" with a Unicode multiplication sign
puts mb.length      
puts mb.jlength     # => 5: but only 5 characters








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