Пространство имен Bitrix\Main\Validation\Validator

Структуры данных
class	AtLeastOneNotEmptyValidator
class	EmailValidator
class	InArrayValidator
class	JsonValidator
class	LengthValidator
class	MaxValidator
class	MinValidator
class	NotEmptyValidator
class	PhoneValidator
class	RegExpValidator
class	UrlValidator
interface	ValidatorInterface