class RuboCop::Cop::Naming::InclusiveLanguage

def mask_input(str)
  safe_str = if str.valid_encoding?
               str
             else
               str.encode('UTF-8', invalid: :replace, undef: :replace)
             end
  return safe_str if @allowed_regex.nil?
  safe_str.gsub(@allowed_regex) { |match| '*' * match.size }
end