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joelibaceta/count_pattern.rb

Last active April 19, 2017 14:54
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count_pattern.rb
def table_for(string, hash)
hash.map{|k,v| string.scan(/(?=#{k.to_s})/).count == v}.all?
end
# irb(main):005:0> table_for("un lagarto no es un perro, un lagarto es un lagarto", {"lagarto"=> 3, "perro"=> 1})
# => true
# irb(main):006:0> table_for("un lagarto no es un perro, un lagarto es un lagarto", {"lagarto"=> 3, "perro"=> 2})
# => false
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