"Required", 'equals' => "Must be the same as '%s'", 'different' => "Must be different than '%s'", 'accepted' => "Must be accepted", 'numeric' => "Must be numeric", 'integer' => "Must be an integer (0-9)", 'length' => "Must be longer than %d", 'min' => "Must be greater than %s", 'max' => "Must be less than %s", 'in' => "Invalid value", 'notIn' => "Invalid value", 'ip' => "Invalid IP address", 'email' => "Inalid email address", 'url' => "Inalid URL", 'urlActive' => "Must be active domain", 'alpha' => "Must contain only leters a-z", 'alphaNum' => "Must contain only leters a-z and/or numbers 0-9", 'slug' => "Must contain only leters a-z, numbers 0-9, dashes and underscores", 'regex' => "Invalid format", 'date' => "Invalid date", 'dateFormat' => "Must be date with format '%s'", 'dateBefore' => "Must be date before '%s'", 'dateAfter' => "Must be date after '%s'", 'contains' => "Must contain %s" );