modify method_missing in Ruby

method_missing.rb

class String
  def method_missing(method)
    return "#{self}: get #{$1}!" if method.to_s =~ /^get_(.*)_method$/
    "Hello, method_missing! (you call '#{method}' method)"
#    super
  end
end

puts "hoge".get_foo_method
puts "hoge".moge