class User

def password_complexity
  return false if password.blank? || password =~ /^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$%^&*-]).{8,70}$/
  errors.add :password, 'Complexity requirement not met. Length should be 12 characters and include: 1 uppercase, 1 lowercase, 1 digit and 1 special character.'
end