Custom Inflector#titleize for Rails that ignores words which are already all-capitalized.

Custom Inflector#titleize for Rails

module ActiveSupport
  module Inflector
    def titleize(word)
      words = word.split(' ')
      processed_words = []
      words.each do |aWord|
        aWord = aWord.capitalize unless /^[A-Z]*$/.match(aWord)
        processed_words << aWord
      end
      processed_words.join(" ")
    end
  end
end