errors.add(:login, "should not begin or end with spaces") if login and login.strip!
errors.add(:login, "should contain only letters, numbers, and spaces") unless login =~ /^[A-Za-z0-9 ]*$/
end
errors.add(:login, "should not begin or end with spaces") if login and login.strip!
errors.add(:login, "should contain only letters, numbers, and spaces") unless login =~ /^[A-Za-z0-9 ]*$/
end