validates_numericality_of(*attr_names) Instance Public methods Validates whether

validates_presence_of(*attr_names) Instance Public methods Validates that the

validates_confirmation_of(*attr_names) Instance Public methods Encapsulates

validates_inclusion_of(*attr_names) Instance Public methods Validates whether

validates_absence_of(*attr_names) Instance Public methods Validates that the

validates_acceptance_of(*attr_names) Instance Public methods Encapsulates the

validates_format_of(*attr_names) Instance Public methods Validates whether the

validates_length_of(*attr_names) Instance Public methods Validates that the

validates_size_of(*attr_names) Instance Public methods Alias for:

validates_exclusion_of(*attr_names) Instance Public methods Validates that the