Just like /\w+/, but doesn't consider underscore part of a word. : scan « String « Ruby






  1. Ruby
  2. String
  3. scan

Just like /\w+/, but doesn't consider underscore part of a word.


class String
  def word_count
    frequencies = Hash.new(0)
    downcase.scan(/[0-9A-Za-z]/) { |word, ignore| frequencies[word] += 1 }
    return frequencies
  end
end

%{"this is a test."}.word_count








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