:format => { :with => %r{\A[^\x00-\x1f\x7f\ufffe\uffff]*\z} }
validates :display_name, :if => proc { |u| u.display_name_changed? },
:format => { :with => %r{\A[^#{INVALID_CHARS}]*\z},
:format => { :with => %r{\A[^\x00-\x1f\x7f\ufffe\uffff]*\z} }
validates :display_name, :if => proc { |u| u.display_name_changed? },
:format => { :with => %r{\A[^#{INVALID_CHARS}]*\z},
validates :email, :presence => true, :confirmation => true
validates :email, :if => proc { |u| u.email_changed? },
:uniqueness => { :case_sensitive => false }
validates :email, :presence => true, :confirmation => true
validates :email, :if => proc { |u| u.email_changed? },
:uniqueness => { :case_sensitive => false }