# Validators In this page you will find a list of validators by their category. **Arrays**: [ArrayType][] - [ArrayVal][] - [Contains][] - [ContainsAny][] - [ContainsCount][] - [Each][] - [EndsWith][] - [In][] - [Key][] - [KeyExists][] - [KeyOptional][] - [KeySet][] - [Sorted][] - [StartsWith][] - [Subset][] - [Unique][] **Banking**: [CreditCard][] - [Iban][] **Booleans**: [AlwaysInvalid][] - [AlwaysValid][] - [BoolType][] - [BoolVal][] - [FalseVal][] - [TrueVal][] **Callables**: [Call][] - [CallableType][] - [Callback][] - [Lazy][] **Comparisons**: [All][] - [Between][] - [BetweenExclusive][] - [Equals][] - [Equivalent][] - [GreaterThan][] - [GreaterThanOrEqual][] - [Identical][] - [In][] - [Length][] - [LessThan][] - [LessThanOrEqual][] - [Max][] - [Min][] **Composite**: [AllOf][] - [AnyOf][] - [Circuit][] - [NoneOf][] - [OneOf][] **Conditions**: [Circuit][] - [Not][] - [When][] **Core**: [Named][] - [Not][] - [Templated][] **Date and Time**: [Date][] - [DateTime][] - [DateTimeDiff][] - [LeapDate][] - [LeapYear][] - [Time][] **File system**: [Directory][] - [Executable][] - [Exists][] - [Extension][] - [File][] - [Image][] - [Mimetype][] - [Readable][] - [Size][] - [SymbolicLink][] - [Writable][] **ISO codes**: [CountryCode][] - [CurrencyCode][] - [LanguageCode][] - [SubdivisionCode][] **Identifications**: [Bsn][] - [Cnh][] - [Cnpj][] - [Cpf][] - [Hetu][] - [Imei][] - [Isbn][] - [Luhn][] - [MacAddress][] - [NfeAccessKey][] - [Nif][] - [Nip][] - [Pesel][] - [Pis][] - [PolishIdCard][] - [PortugueseNif][] **Internet**: [Domain][] - [Email][] - [Ip][] - [PublicDomainSuffix][] - [Tld][] - [Url][] **Localization**: [CountryCode][] - [CurrencyCode][] - [LanguageCode][] - [PostalCode][] - [SubdivisionCode][] **Math**: [Factor][] - [Finite][] - [Infinite][] - [Multiple][] - [Negative][] - [Positive][] **Miscellaneous**: [Blank][] - [Falsy][] - [Named][] - [Templated][] - [Undef][] **Nesting**: [AllOf][] - [AnyOf][] - [Call][] - [Circuit][] - [Each][] - [Key][] - [KeySet][] - [Lazy][] - [NoneOf][] - [Not][] - [NullOr][] - [OneOf][] - [Property][] - [PropertyOptional][] - [UndefOr][] - [When][] **Numbers**: [Base][] - [Decimal][] - [Digit][] - [Even][] - [Factor][] - [Finite][] - [FloatType][] - [FloatVal][] - [Infinite][] - [IntType][] - [IntVal][] - [Multiple][] - [Negative][] - [Number][] - [NumericVal][] - [Odd][] - [Positive][] - [Roman][] **Objects**: [Attributes][] - [Instance][] - [ObjectType][] - [Property][] - [PropertyExists][] - [PropertyOptional][] **Strings**: [Alnum][] - [Alpha][] - [Base64][] - [Charset][] - [Consonant][] - [Contains][] - [ContainsAny][] - [ContainsCount][] - [Control][] - [Digit][] - [Emoji][] - [EndsWith][] - [Graph][] - [HexRgbColor][] - [In][] - [Json][] - [Lowercase][] - [Phone][] - [PostalCode][] - [Printable][] - [Punct][] - [Regex][] - [Slug][] - [Sorted][] - [Space][] - [Spaced][] - [StartsWith][] - [StringType][] - [StringVal][] - [Uppercase][] - [Uuid][] - [Version][] - [Vowel][] - [Xdigit][] **Structures**: [Attributes][] - [Key][] - [KeyExists][] - [KeyOptional][] - [KeySet][] - [Named][] - [Property][] - [PropertyExists][] - [PropertyOptional][] - [Templated][] **Transformations**: [All][] - [Call][] - [Each][] - [Length][] - [Max][] - [Min][] - [Size][] **Types**: [ArrayType][] - [ArrayVal][] - [BoolType][] - [BoolVal][] - [CallableType][] - [Countable][] - [FloatType][] - [FloatVal][] - [IntType][] - [IntVal][] - [IterableType][] - [IterableVal][] - [NullType][] - [NumericVal][] - [ObjectType][] - [ResourceType][] - [ScalarVal][] - [StringType][] - [StringVal][] ## Alphabetically - [All][] - `v::all(v::intType())->assert([1, 2, 3]);` - [AllOf][] - `v::allOf(v::intVal(), v::positive())->assert(15);` - [Alnum][] - `v::alnum(' ')->assert('foo 123');` - [Alpha][] - `v::alpha(' ')->assert('some name');` - [AlwaysInvalid][] - `v::not(v::alwaysInvalid())->assert('whatever');` - [AlwaysValid][] - `v::alwaysValid()->assert('whatever');` - [AnyOf][] - `v::anyOf(v::intVal(), v::floatVal())->assert(15.5);` - [ArrayType][] - `v::arrayType()->assert([]);` - [ArrayVal][] - `v::arrayVal()->assert([]);` - [Attributes][] - `v::attributes()->assert(new Person('John Doe', '2020-06-23', 'john.doe@gmail.com'));` - [Base][] - `v::base(2)->assert('011010001');` - [Base64][] - `v::base64()->assert('cmVzcGVjdCE=');` - [Between][] - `v::intVal()->between(10, 20)->assert(10);` - [BetweenExclusive][] - `v::betweenExclusive('a', 'e')->assert('c');` - [Blank][] - `v::blank()->assert(' ');` - [BoolType][] - `v::boolType()->assert(true);` - [BoolVal][] - `v::boolVal()->assert('on');` - [Bsn][] - `v::bsn()->assert('612890053');` - [Call][] - `v::call(str_split(...), v::arrayType()->lengthEquals(5))->assert('world');` - [CallableType][] - `v::callableType()->assert(function () {});` - [Callback][] - `v::callback(fn (int $input): bool => $input % 5 === 0,)->assert(10);` - [Charset][] - `v::charset('ASCII')->assert('sugar');` - [Circuit][] - `v::circuit(v::intVal(), v::floatVal())->assert(15);` - [Cnh][] - `v::cnh()->assert('02650306461');` - [Cnpj][] - `v::cnpj()->assert('00394460005887');` - [Consonant][] - `v::consonant()->assert('xkcd');` - [Contains][] - `v::contains('ipsum')->assert('lorem ipsum');` - [ContainsAny][] - `v::containsAny(['lorem', 'dolor'])->assert('lorem ipsum');` - [ContainsCount][] - `v::containsCount('ipsum', 2)->assert('ipsum lorem ipsum');` - [Control][] - `v::control()->assert("\n\r\t");` - [Countable][] - `v::countable()->assert([]);` - [CountryCode][] - `v::countryCode()->assert('BR');` - [Cpf][] - `v::cpf()->assert('95574461102');` - [CreditCard][] - `v::creditCard()->assert('5376 7473 9720 8720');` - [CurrencyCode][] - `v::currencyCode()->assert('GBP');` - [Date][] - `v::date()->assert('2017-12-31');` - [DateTime][] - `v::dateTime()->assert('2009-01-01');` - [DateTimeDiff][] - `v::dateTimeDiff('years', v::greaterThan(18), 'd/m/Y')->assert('09/12/1990');` - [Decimal][] - `v::decimal(2)->assert('27990.50');` - [Digit][] - `v::digit(' ')->assert('020 612 1851');` - [Directory][] - `v::directory()->assert(__DIR__);` - [Domain][] - `v::domain()->assert('google.com');` - [Each][] - `v::each(v::dateTime())->assert($releaseDates);` - [Email][] - `v::email()->assert('alganet@gmail.com');` - [Emoji][] - `v::emoji()->assert('🍕');` - [EndsWith][] - `v::endsWith('ipsum')->assert('lorem ipsum');` - [Equals][] - `v::equals('alganet')->assert('alganet');` - [Equivalent][] - `v::equivalent(1)->assert(true);` - [Even][] - `v::intVal()->even()->assert(2);` - [Executable][] - `v::executable()->assert('/path/to/executable');` - [Exists][] - `v::exists()->assert(__FILE__);` - [Extension][] - `v::extension('png')->assert('image.png');` - [Factor][] - `v::factor(0)->assert(5);` - [FalseVal][] - `v::falseVal()->assert(false);` - [Falsy][] - `v::falsy()->assert('');` - [File][] - `v::file()->assert(__FILE__);` - [Finite][] - `v::finite()->assert('10');` - [FloatType][] - `v::floatType()->assert(1.5);` - [FloatVal][] - `v::floatVal()->assert(1.5);` - [Graph][] - `v::graph()->assert('LKM@#$%4;');` - [GreaterThan][] - `v::greaterThan(10)->assert(11);` - [GreaterThanOrEqual][] - `v::intVal()->greaterThanOrEqual(10)->assert(10);` - [Hetu][] - `v::hetu()->assert('010106A9012');` - [HexRgbColor][] - `v::hexRgbColor()->assert('#FFFAAA');` - [Iban][] - `v::iban()->assert('SE35 5000 0000 0549 1000 0003');` - [Identical][] - `v::identical(42)->assert(42);` - [Image][] - `v::image()->assert('/path/to/image.gif');` - [Imei][] - `v::imei()->assert('35-209900-176148-1');` - [In][] - `v::in('lorem ipsum')->assert('ipsum');` - [Infinite][] - `v::infinite()->assert(INF);` - [Instance][] - `v::instance('DateTime')->assert(new DateTime);` - [IntType][] - `v::intType()->assert(42);` - [IntVal][] - `v::intVal()->assert('10');` - [Ip][] - `v::ip()->assert('127.0.0.1');` - [Isbn][] - `v::isbn()->assert('ISBN-13: 978-0-596-52068-7');` - [IterableType][] - `v::iterableType()->assert([]);` - [IterableVal][] - `v::iterableVal()->assert([]);` - [Json][] - `v::json()->assert('{"foo":"bar"}');` - [Key][] - `v::key('name', v::stringType())->assert(['name' => 'The Respect Panda']);` - [KeyExists][] - `v::keyExists('name')->assert(['name' => 'The Respect Panda']);` - [KeyOptional][] - `v::keyOptional('name', v::stringType())->assert([]);` - [KeySet][] - `v::keySet(v::key('foo', v::intVal()))->assert(['foo' => 42]);` - [LanguageCode][] - `v::languageCode()->assert('pt');` - [Lazy][] - `v::lazy(static fn($input) => v::boolVal())->assert(true);` - [LeapDate][] - `v::leapDate('Y-m-d')->assert('1988-02-29');` - [LeapYear][] - `v::leapYear()->assert('1988');` - [Length][] - `v::length(v::between(1, 5))->assert('abc');` - [LessThan][] - `v::lessThan(10)->assert(9);` - [LessThanOrEqual][] - `v::lessThanOrEqual(10)->assert(9);` - [Lowercase][] - `v::stringType()->lowercase()->assert('xkcd');` - [Luhn][] - `v::luhn()->assert('2222400041240011');` - [MacAddress][] - `v::macAddress()->assert('00:11:22:33:44:55');` - [Max][] - `v::max(v::equals(30))->assert([10, 20, 30]);` - [Mimetype][] - `v::mimetype('image/png')->assert('/path/to/image.png');` - [Min][] - `v::min(v::equals(10))->assert([10, 20, 30]);` - [Multiple][] - `v::intVal()->multiple(3)->assert(9);` - [Named][] - `v::named('Your email', v::email())->assert('foo@example.com');` - [Negative][] - `v::numericVal()->negative()->assert(-15);` - [NfeAccessKey][] - `v::nfeAccessKey()->assert('52060433009911002506550120000007800267301615');` - [Nif][] - `v::nif()->assert('49294492H');` - [Nip][] - `v::nip()->assert('1645865777');` - [NoneOf][] - `v::noneOf(v::intVal(), v::floatVal())->assert('foo');` - [Not][] - `v::not(v::ip())->assert('foo');` - [NullOr][] - `v::nullOr(v::email())->assert(null);` - [NullType][] - `v::nullType()->assert(null);` - [Number][] - `v::number()->assert(42);` - [NumericVal][] - `v::numericVal()->assert(-12);` - [ObjectType][] - `v::objectType()->assert(new stdClass);` - [Odd][] - `v::odd()->assert(3);` - [OneOf][] - `v::oneOf(v::digit(), v::alpha())->assert('AB');` - [Pesel][] - `v::pesel()->assert('21120209256');` - [Phone][] - `v::phone()->assert('+1 650 253 00 00');` - [Pis][] - `v::pis()->assert('120.0340.678-8');` - [PolishIdCard][] - `v::polishIdCard()->assert('AYW036733');` - [PortugueseNif][] - `v::portugueseNif()->assert('124885446');` - [Positive][] - `v::positive()->assert(1);` - [PostalCode][] - `v::postalCode('BR')->assert('02179000');` - [Printable][] - `v::printable()->assert('LMKA0$% _123');` - [Property][] - `v::property('name', v::equals('The Respect Panda'))->assert($object);` - [PropertyExists][] - `v::propertyExists('name')->assert($object);` - [PropertyOptional][] - `v::propertyOptional('name', v::notBlank())->assert($object);` - [PublicDomainSuffix][] - `v::publicDomainSuffix()->assert('co.uk');` - [Punct][] - `v::punct()->assert('&,.;[]');` - [Readable][] - `v::readable()->assert('/path/to/file.txt');` - [Regex][] - `v::regex('/[a-z]/')->assert('a');` - [ResourceType][] - `v::resourceType()->assert(fopen('/path/to/file.txt', 'r'));` - [Roman][] - `v::roman()->assert('IV');` - [ScalarVal][] - `v::scalarVal()->assert(135.0);` - [Size][] - `v::size('KB', v::greaterThan(1))->assert('/path/to/file');` - [Slug][] - `v::slug()->assert('my-wordpress-title');` - [Sorted][] - `v::sorted('ASC')->assert([1, 2, 3]);` - [Space][] - `v::space()->assert(' ');` - [Spaced][] - `v::spaced()->assert('foo bar');` - [StartsWith][] - `v::startsWith('lorem')->assert('lorem ipsum');` - [StringType][] - `v::stringType()->assert('hi');` - [StringVal][] - `v::stringVal()->assert('6');` - [SubdivisionCode][] - `v::subdivisionCode('BR')->assert('SP');` - [Subset][] - `v::subset([1, 2, 3])->assert([1, 2]);` - [SymbolicLink][] - `v::symbolicLink()->assert('/path/to/symbolic-link');` - [Templated][] - `v::templated('You must provide a valid email', v::email())->assert('foo@bar.com');` - [Time][] - `v::time()->assert('00:00:00');` - [Tld][] - `v::tld()->assert('com');` - [TrueVal][] - `v::trueVal()->assert(true);` - [Undef][] - `v::undef()->assert('');` - [UndefOr][] - `v::undefOr(v::alpha())->assert('');` - [Unique][] - `v::unique()->assert([]);` - [Uppercase][] - `v::uppercase()->assert('W3C');` - [Url][] - `v::url()->assert('http://example.com');` - [Uuid][] - `v::uuid()->assert('eb3115e5-bd16-4939-ab12-2b95745a30f3');` - [Version][] - `v::version()->assert('1.0.0');` - [Vowel][] - `v::vowel()->assert('aei');` - [When][] - `v::when(v::intVal(), v::positive(), v::notBlank())->assert(1);` - [Writable][] - `v::writable()->assert('/path/to/file');` - [Xdigit][] - `v::xdigit()->assert('abc123');` [All]: validators/All.md "Validates all items of the input against a given validator." [AllOf]: validators/AllOf.md "Will validate if all inner validators validates." [Alnum]: validators/Alnum.md "Validates whether the input is alphanumeric or not." [Alpha]: validators/Alpha.md "Validates whether the input contains only alphabetic characters. This is similar" [AlwaysInvalid]: validators/AlwaysInvalid.md "Validates any input as invalid." [AlwaysValid]: validators/AlwaysValid.md "Validates any input as valid." [AnyOf]: validators/AnyOf.md "This is a group validator that acts as an OR operator." [ArrayType]: validators/ArrayType.md "Validates whether the type of an input is array." [ArrayVal]: validators/ArrayVal.md "Validates if the input is an array or if the input can be used as an array" [Attributes]: validators/Attributes.md "Validates the PHP attributes defined in the properties of the input." [Base]: validators/Base.md "Validate numbers in any base, even with non regular bases." [Base64]: validators/Base64.md "Validate if a string is Base64-encoded." [Between]: validators/Between.md "Validates whether the input is between two other values." [BetweenExclusive]: validators/BetweenExclusive.md "Validates whether the input is between two other values, exclusively." [Blank]: validators/Blank.md "Validates if the given input is a blank value (`null`, zeros, empty strings or empty arrays, recursively)." [BoolType]: validators/BoolType.md "Validates whether the type of the input is boolean." [BoolVal]: validators/BoolVal.md "Validates if the input results in a boolean value:" [Bsn]: validators/Bsn.md "Validates a Dutch citizen service number (BSN)." [Call]: validators/Call.md "Validates the return of a callable for a given input." [CallableType]: validators/CallableType.md "Validates whether the pseudo-type of the input is callable." [Callback]: validators/Callback.md "Validates the input using the return of a given callable." [Charset]: validators/Charset.md "Validates if a string is in a specific charset." [Circuit]: validators/Circuit.md "Validates the input against a series of validators until the first fails." [Cnh]: validators/Cnh.md "Validates a Brazilian driver's license." [Cnpj]: validators/Cnpj.md "Validates if the input is a Brazilian National Registry of Legal Entities (CNPJ) number." [Consonant]: validators/Consonant.md "Validates if the input contains only consonants." [Contains]: validators/Contains.md "Validates if the input contains some value." [ContainsAny]: validators/ContainsAny.md "Validates if the input contains at least one of defined values" [ContainsCount]: validators/ContainsCount.md "Validates if the input contains a value a specific number of times." [Control]: validators/Control.md "Validates if all of the characters in the provided string, are control" [Countable]: validators/Countable.md "Validates if the input is countable, in other words, if you're allowed to use" [CountryCode]: validators/CountryCode.md "Validates whether the input is a country code in ISO 3166-1 standard." [Cpf]: validators/Cpf.md "Validates a Brazillian CPF number." [CreditCard]: validators/CreditCard.md "Validates a credit card number." [CurrencyCode]: validators/CurrencyCode.md "Validates an ISO 4217 currency code." [Date]: validators/Date.md "Validates if input is a date. The `$format` argument should be in accordance to" [DateTime]: validators/DateTime.md "Validates whether an input is a date/time or not." [DateTimeDiff]: validators/DateTimeDiff.md "Validates the difference of date/time against a specific validator." [Decimal]: validators/Decimal.md "Validates whether the input matches the expected number of decimals." [Digit]: validators/Digit.md "Validates whether the input contains only digits." [Directory]: validators/Directory.md "Validates if the given path is a directory." [Domain]: validators/Domain.md "Validates whether the input is a valid domain name or not." [Each]: validators/Each.md "Validates whether each value in the input is valid according to another validator." [Email]: validators/Email.md "Validates an email address." [Emoji]: validators/Emoji.md "Validates if the input is an emoji or a sequence of emojis." [EndsWith]: validators/EndsWith.md "This validator is similar to `Contains()`, but validates" [Equals]: validators/Equals.md "Validates if the input is equal to some value." [Equivalent]: validators/Equivalent.md "Validates if the input is equivalent to some value." [Even]: validators/Even.md "Validates whether the input is an even number or not." [Executable]: validators/Executable.md "Validates if a file is an executable." [Exists]: validators/Exists.md "Validates files or directories." [Extension]: validators/Extension.md "Validates if the file extension matches the expected one:" [Factor]: validators/Factor.md "Validates if the input is a factor of the defined dividend." [FalseVal]: validators/FalseVal.md "Validates if a value is considered as `false`." [Falsy]: validators/Falsy.md "Validates whether the given input is considered empty or falsy, similar to PHP's `empty()` function." [File]: validators/File.md "Validates whether file input is as a regular filename." [Finite]: validators/Finite.md "Validates if the input is a finite number." [FloatType]: validators/FloatType.md "Validates whether the type of the input is float." [FloatVal]: validators/FloatVal.md "Validate whether the input value is float." [Graph]: validators/Graph.md "Validates if all characters in the input are printable and actually creates" [GreaterThan]: validators/GreaterThan.md "Validates whether the input is greater than a value." [GreaterThanOrEqual]: validators/GreaterThanOrEqual.md "Validates whether the input is greater than or equal to a value." [Hetu]: validators/Hetu.md "Validates a Finnish personal identity code (HETU)." [HexRgbColor]: validators/HexRgbColor.md "Validates weather the input is a hex RGB color or not." [Iban]: validators/Iban.md "Validates whether the input is a valid IBAN (International Bank Account" [Identical]: validators/Identical.md "Validates if the input is identical to some value." [Image]: validators/Image.md "Validates if the file is a valid image by checking its MIME type." [Imei]: validators/Imei.md "Validates is the input is a valid IMEI." [In]: validators/In.md "Validates if the input is contained in a specific haystack." [Infinite]: validators/Infinite.md "Validates if the input is an infinite number." [Instance]: validators/Instance.md "Validates if the input is an instance of the given class or interface." [IntType]: validators/IntType.md "Validates whether the type of the input is integer." [IntVal]: validators/IntVal.md "Validates if the input is an integer, allowing leading zeros and other number bases." [Ip]: validators/Ip.md "Validates whether the input is a valid IP address." [Isbn]: validators/Isbn.md "Validates whether the input is a valid ISBN or not." [IterableType]: validators/IterableType.md "Validates whether the input is iterable, meaning that it matches the built-in compile time type alias `iterable`." [IterableVal]: validators/IterableVal.md "Validates whether the input is an iterable value, in other words, if you can iterate over it with the foreach language construct." [Json]: validators/Json.md "Validates if the given input is a valid JSON." [Key]: validators/Key.md "Validates the value of an array against a given validator." [KeyExists]: validators/KeyExists.md "Validates if the given key exists in an array." [KeyOptional]: validators/KeyOptional.md "Validates the value of an array against a given validator when the key exists." [KeySet]: validators/KeySet.md "Validates a keys in a defined structure." [LanguageCode]: validators/LanguageCode.md "Validates whether the input is language code based on ISO 639." [Lazy]: validators/Lazy.md "Validates the input using a validator that is created from a callback." [LeapDate]: validators/LeapDate.md "Validates if a date is leap." [LeapYear]: validators/LeapYear.md "Validates if a year is leap." [Length]: validators/Length.md "Validates the length of the given input against a given validator." [LessThan]: validators/LessThan.md "Validates whether the input is less than a value." [LessThanOrEqual]: validators/LessThanOrEqual.md "Validates whether the input is less than or equal to a value." [Lowercase]: validators/Lowercase.md "Validates whether the characters in the input are lowercase." [Luhn]: validators/Luhn.md "Validate whether a given input is a Luhn number." [MacAddress]: validators/MacAddress.md "Validates whether the input is a valid MAC address." [Max]: validators/Max.md "Validates the maximum value of the input against a given validator." [Mimetype]: validators/Mimetype.md "Validates if the input is a file and if its MIME type matches the expected one." [Min]: validators/Min.md "Validates the minimum value of the input against a given validator." [Multiple]: validators/Multiple.md "Validates if the input is a multiple of the given parameter" [Named]: validators/Named.md "Validates the input with the given validator, and uses the custom name in the error message." [Negative]: validators/Negative.md "Validates whether the input is a negative number." [NfeAccessKey]: validators/NfeAccessKey.md "Validates the access key of the Brazilian electronic invoice (NFe)." [Nif]: validators/Nif.md "Validates Spain's fiscal identification number (NIF)." [Nip]: validators/Nip.md "Validates whether the input is a Polish VAT identification number (NIP)." [NoneOf]: validators/NoneOf.md "Validates if NONE of the given validators validate:" [Not]: validators/Not.md "Negates any validator." [NullOr]: validators/NullOr.md "Validates the input using a defined validator when the input is not `null`." [NullType]: validators/NullType.md "Validates whether the input is null." [Number]: validators/Number.md "Validates if the input is a number." [NumericVal]: validators/NumericVal.md "Validates whether the input is numeric." [ObjectType]: validators/ObjectType.md "Validates whether the input is an object." [Odd]: validators/Odd.md "Validates whether the input is an odd number or not." [OneOf]: validators/OneOf.md "Will validate if exactly one inner validator passes." [Pesel]: validators/Pesel.md "Validates PESEL (Polish human identification number)." [Phone]: validators/Phone.md "Validates whether the input is a valid phone number. This validator requires" [Pis]: validators/Pis.md "Validates a Brazilian PIS/NIS number ignoring any non-digit char." [PolishIdCard]: validators/PolishIdCard.md "Validates whether the input is a Polish identity card (Dowód Osobisty)." [PortugueseNif]: validators/PortugueseNif.md "Validates Portugal's fiscal identification number (NIF)." [Positive]: validators/Positive.md "Validates whether the input is a positive number." [PostalCode]: validators/PostalCode.md "Validates whether the input is a valid postal code or not." [Printable]: validators/Printable.md "Similar to `Graph` but accepts whitespace." [Property]: validators/Property.md "Validates an object property against a given validator." [PropertyExists]: validators/PropertyExists.md "Validates if an object property exists." [PropertyOptional]: validators/PropertyOptional.md "Validates an object property against a given validator only if the property exists." [PublicDomainSuffix]: validators/PublicDomainSuffix.md "Validates whether the input is a public ICANN domain suffix." [Punct]: validators/Punct.md "Validates whether the input composed by only punctuation characters." [Readable]: validators/Readable.md "Validates if the given data is a file exists and is readable." [Regex]: validators/Regex.md "Validates whether the input matches a defined regular expression." [ResourceType]: validators/ResourceType.md "Validates whether the input is a resource." [Roman]: validators/Roman.md "Validates if the input is a Roman numeral." [ScalarVal]: validators/ScalarVal.md "Validates whether the input is a scalar value or not." [Size]: validators/Size.md "Validates whether the input is a file that is of a certain size or not." [Slug]: validators/Slug.md "Validates whether the input is a valid slug." [Sorted]: validators/Sorted.md "Validates whether the input is sorted in a certain order or not." [Space]: validators/Space.md "Validates whether the input contains only whitespaces characters." [Spaced]: validators/Spaced.md "Validates if a string contains at least one whitespace (spaces, tabs, or line breaks);" [StartsWith]: validators/StartsWith.md "Validates whether the input starts with a given value." [StringType]: validators/StringType.md "Validates whether the type of an input is string or not." [StringVal]: validators/StringVal.md "Validates whether the input can be used as a string." [SubdivisionCode]: validators/SubdivisionCode.md "Validates subdivision country codes according to ISO 3166-2." [Subset]: validators/Subset.md "Validates whether the input is a subset of a given value." [SymbolicLink]: validators/SymbolicLink.md "Validates if the given input is a symbolic link." [Templated]: validators/Templated.md "Defines a validator with a custom message template." [Time]: validators/Time.md "Validates whether an input is a time or not. The `$format` argument should be in" [Tld]: validators/Tld.md "Validates whether the input is a top-level domain." [TrueVal]: validators/TrueVal.md "Validates if a value is considered as `true`." [Undef]: validators/Undef.md "Validates if the given input is undefined. By _undefined_ we consider `null` or an empty string (`''`)." [UndefOr]: validators/UndefOr.md "Validates the input using a defined validator when the input is not `null` or an empty string (`''`)." [Unique]: validators/Unique.md "Validates whether the input array contains only unique values." [Uppercase]: validators/Uppercase.md "Validates whether the characters in the input are uppercase." [Url]: validators/Url.md "Validates whether the input is a URL." [Uuid]: validators/Uuid.md "Validates whether the input is a valid UUID. It also supports validation of" [Version]: validators/Version.md "Validates version numbers using Semantic Versioning." [Vowel]: validators/Vowel.md "Validates whether the input contains only vowels." [When]: validators/When.md "A ternary validator that accepts three parameters." [Writable]: validators/Writable.md "Validates if the given input is writable file." [Xdigit]: validators/Xdigit.md "Validates whether the input is an hexadecimal number or not."