class RuboCop::Cop::Migration::DepartmentName

def on_new_investigation
  processed_source.comments.each do |comment|
    next if comment.text !~ DISABLE_COMMENT_FORMAT
    offset = Regexp.last_match(1).length
    Regexp.last_match(4).scan(/[^,]+|\W+/) do |name|
      trimmed_name = name.strip
      unless valid_content_token?(trimmed_name)
        check_cop_name(trimmed_name, comment, offset)
      end
      break if contain_unexpected_character_for_department_name?(name)
      offset += name.length
    end
  end
end