Scrabble scorer via regex

scrabble.rb

module ScrabbleScorer
  POINTS = {
    /[aeiou]/ => 1,
    /[j]/ => 8,
    /[qx]/ => 10
  }
  def self.score(word)
    sum = 0
    POINTS.each do |key, value|
      sum += word.scan(key).length * value
    end
    return sum
  end
end

p ScrabbleScorer.score('jcabbagex')