Displaying Unicode Characters in Ruby

By rainkinz on Mar 15, 2012, comments 63

If you know the Unicode character code and want to decode it you can do something like this:

  • Ruby 1.8
puts ["2665".hex].pack("U")
♥
=> nil
  • Ruby 1.9 In Ruby 1.9 the \u{} escape sequence can be used to decode unicode codepoints:
puts "\u{2665}"
♥
=> nil
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