class ActiveModel::AttributeMethods::ClassMethods::AttributeMethodMatcher

def initialize(options = {})
  @prefix, @suffix = options.fetch(:prefix, ""), options.fetch(:suffix, "")
  @regex = /^(?:#{Regexp.escape(@prefix)})(.*)(?:#{Regexp.escape(@suffix)})$/
  @method_missing_target = "#{@prefix}attribute#{@suffix}"
  @method_name = "#{prefix}%s#{suffix}"
end