# Standard Validation Classes The following validators come with the zend-validator distribution. - [Barcode](validators/barcode.md) - [Between](validators/between.md) - [Callback](validators/callback.md) - [CreditCard](validators/credit-card.md) - [Date](validators/date.md) - [RecordExists and NoRecordExists (database)](validators/db.md) - [Digits](validators/digits.md) - [EmailAddress](validators/email-address.md) - [Explode](validators/explode.md) - [File Validation Classes](validators/file/intro.md) - [GreaterThan](validators/greater-than.md) - [Hex](validators/hex.md) - [Hostname](validators/hostname.md) - [Iban](validators/iban.md) - [Identical](validators/identical.md) - [InArray](validators/in-array.md) - [Ip](validators/ip.md) - [Isbn](validators/isbn.md) - [IsCountable](validators/is-countable.md) - [IsInstanceOf](validators/isinstanceof.md) - [LessThan](validators/less-than.md) - [NotEmpty](validators/not-empty.md) - [Regex](validators/regex.md) - [Sitemap](validators/sitemap.md) - [Step](validators/step.md) - [StringLength](validators/string-length.md) - [Timezone](validators/timezone.md) - [Uri](validators/uri.md) - [Uuid](validators/uuid.md) ## Additional validators Several other components offer validators as well: - [zend-i18n](https://docs.zendframework.com/zend-i18n/validators/) ## Deprecated Validators ### Ccnum The `Ccnum` validator has been deprecated in favor of the `CreditCard` validator. For security reasons you should use `CreditCard` instead of `Ccnum`.