Class CommonValidators

Provides pre-built validators for common validation scenarios.

Inheritance

object

CommonValidators

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: ValidationFramework

Assembly: ValidationFramework.dll

Syntax

public static class CommonValidators

Methods

| Edit this page View Source

AlphanumericValidator(int, int?, string)

Creates a validator for alphanumeric strings (letters and numbers only).

Declaration

public static Validator<string> AlphanumericValidator(int minLength = 1, int? maxLength = null, string fieldName = "Value")

Parameters

Type	Name	Description
int	minLength	The minimum required length.
int?	maxLength	The maximum allowed length. If null, no maximum is enforced.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

AnyUuidValidator(string)

Creates a validator that checks if a string is a valid UUID (any version).

Declaration

public static Validator<string> AnyUuidValidator(string fieldName = "UUID")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

ApiKeyValidator(int, int, string)

Creates a validator that checks if a string is a valid API key format.

Declaration

public static Validator<string> ApiKeyValidator(int minLength = 16, int maxLength = 128, string fieldName = "API Key")

Parameters

Type	Name	Description
int	minLength	Minimum length of the API key.
int	maxLength	Maximum length of the API key.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

Base64Validator(string)

Creates a validator that checks if a string is a valid base64 encoded string.

Declaration

public static Validator<string> Base64Validator(string fieldName = "Base64")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

ColorValidator(string)

Creates a validator that checks if a string is a valid color code (hex, RGB, RGBA, HSL, HSLA).

Declaration

public static Validator<string> ColorValidator(string fieldName = "Color")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

ConfirmValidator(string, string)

Creates a validator that checks if a string matches another string (confirmation).

Declaration

public static Validator<string> ConfirmValidator(string otherValue, string fieldName = "Confirmation")

Parameters

Type	Name	Description
string	otherValue	The value to match against.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

CoordinatesValidator(string, string)

Creates a validator that checks if a string is a valid coordinate pair (latitude, longitude).

Declaration

public static Validator<string> CoordinatesValidator(string separator = ",", string fieldName = "Coordinates")

Parameters

Type	Name	Description
string	separator	The separator between latitude and longitude (default: comma).
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

CountryCodeValidator(bool, string)

Checks the uppercase format of ISO 3166-1 alpha-2 or alpha-3 country codes. This does not check whether a code is assigned in the ISO registry.

Declaration

public static Validator<string> CountryCodeValidator(bool allowAlpha3 = false, string fieldName = "Country")

Parameters

Type	Name	Description
bool	allowAlpha3	Whether to allow 3-letter country codes.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

CreditCardExpiryValidator(string)

Creates a validator that checks if a string is a valid credit card expiration date.

Declaration

public static Validator<string> CreditCardExpiryValidator(string fieldName = "Expiry Date")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

CreditCardValidator(string)

Creates a validator for credit card numbers using the Luhn algorithm. Validates card number format and checksum.

Declaration

public static Validator<string> CreditCardValidator(string fieldName = "CreditCard")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

CurrencyCodeValidator(string)

Checks the three-letter uppercase format used by ISO 4217 currency codes. This does not check whether a code is assigned in the ISO registry.

Declaration

public static Validator<string> CurrencyCodeValidator(string fieldName = "Currency")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

CurrencyValidator(decimal?, decimal?, string)

Creates a validator for currency amounts with range and decimal place constraints. Ensures non-negative values with maximum 2 decimal places.

Declaration

public static Validator<decimal> CurrencyValidator(decimal? minValue = null, decimal? maxValue = null, string fieldName = "Amount")

Parameters

Type	Name	Description
decimal?	minValue	The minimum allowed value. If null, only non-negative constraint applies.
decimal?	maxValue	The maximum allowed value. If null, no maximum is enforced.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<decimal>	A configured Validator<T> instance.

| Edit this page View Source

CvvValidator(CreditCardType, string)

Creates a validator that checks if a string is a valid credit card CVV/CVC code.

Declaration

public static Validator<string> CvvValidator(CreditCardType cardType = CreditCardType.Any, string fieldName = "CVV")

Parameters

Type	Name	Description
CreditCardType	cardType	The type of credit card (determines CVV length).
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

DateValidator(DateTime?, DateTime?, string)

Creates a validator for dates with optional min and max date constraints.

Declaration

public static Validator<DateTime> DateValidator(DateTime? minDate = null, DateTime? maxDate = null, string fieldName = "Date")

Parameters

Type	Name	Description
DateTime?	minDate	The minimum allowed date. If null, no minimum is enforced.
DateTime?	maxDate	The maximum allowed date. If null, no maximum is enforced.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<DateTime>	A configured Validator<T> instance.

| Edit this page View Source

DomainValidator(bool, bool, string)

Creates a validator that checks if a string is a valid domain name.

Declaration

public static Validator<string> DomainValidator(bool allowSubdomains = true, bool requireTld = true, string fieldName = "Domain")

Parameters

Type	Name	Description
bool	allowSubdomains	Whether to allow subdomains.
bool	requireTld	Whether to require a top-level domain.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

EmailValidator(string)

Creates a validator that validates email addresses using a basic regex pattern.

Declaration

public static Validator<string> EmailValidator(string fieldName = "Email")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

EmptyValidator(string)

Creates a validator that checks if a string is empty (null, empty, or whitespace).

Declaration

public static Validator<string> EmptyValidator(string fieldName = "Value")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

EnumValidator<T>(IEnumerable<T>, string)

Creates a validator that checks if a value is in a predefined set of allowed values.

Declaration

public static Validator<T> EnumValidator<T>(IEnumerable<T> allowedValues, string fieldName = "Value") where T : notnull

Parameters

Type	Name	Description
IEnumerable<T>	allowedValues	The set of allowed values.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<T>	A configured Validator<T> instance.

Type Parameters

Name	Description
T	The type of value to validate.

| Edit this page View Source

EnumValidator<T>(string)

Creates a validator that checks if a value is a valid enum value.

Declaration

public static Validator<T> EnumValidator<T>(string fieldName = "Value") where T : struct, Enum

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<T>	A configured Validator<T> instance.

Type Parameters

Name	Description
T	The type of value to validate (must be an enum).

| Edit this page View Source

FileExtensionValidator(IEnumerable<string>, bool, string)

Creates a validator that checks if a string is a valid file extension.

Declaration

public static Validator<string> FileExtensionValidator(IEnumerable<string> allowedExtensions, bool caseSensitive = false, string fieldName = "File")

Parameters

Type	Name	Description
IEnumerable<string>	allowedExtensions	List of allowed extensions (without dot, e.g., "jpg", "png").
bool	caseSensitive	Whether the extension check is case-sensitive.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

FilePathValidator(string)

Creates a validator that checks if a string is a valid file path.

Declaration

public static Validator<string> FilePathValidator(string fieldName = "File Path")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

GuidStringValidator(string)

Creates a validator that checks if a string is a valid GUID.

Declaration

public static Validator<string> GuidStringValidator(string fieldName = "Guid")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

GuidValidator(string)

Creates a validator that checks if a GUID is valid (not empty).

Declaration

public static Validator<Guid> GuidValidator(string fieldName = "Guid")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<Guid>	A configured Validator<T> instance.

| Edit this page View Source

HexColorValidator(string)

Creates a validator for hexadecimal color codes (e.g., #RRGGBB or #RGB).

Declaration

public static Validator<string> HexColorValidator(string fieldName = "Color")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

InternationalPhoneValidator(bool, string)

Creates a validator that checks if a string is a valid phone number with international support.

Declaration

public static Validator<string> InternationalPhoneValidator(bool allowCountryCode = true, string fieldName = "Phone")

Parameters

Type	Name	Description
bool	allowCountryCode	Whether to allow country codes (e.g., +1, +44).
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

IpAddressValidator(bool, bool, string)

Creates a validator that checks if a string is a valid IP address (IPv4 or IPv6).

Declaration

public static Validator<string> IpAddressValidator(bool allowIPv4 = true, bool allowIPv6 = true, string fieldName = "IP Address")

Parameters

Type	Name	Description
bool	allowIPv4	Whether to allow IPv4 addresses.
bool	allowIPv6	Whether to allow IPv6 addresses.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

IsbnValidator(string)

Creates a validator that checks if a string is a valid ISBN (10 or 13 digits).

Declaration

public static Validator<string> IsbnValidator(string fieldName = "ISBN")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

JsonValidator(string)

Creates a validator that checks if a string is a valid JSON.

Declaration

public static Validator<string> JsonValidator(string fieldName = "JSON")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

JwtValidator(bool, string)

Creates a validator that checks JWT structure and optionally its expiration claim. This does not authenticate a token or verify its signature, issuer, or audience.

Declaration

public static Validator<string> JwtValidator(bool validateExpiry = false, string fieldName = "JWT")

Parameters

Type	Name	Description
bool	validateExpiry	Whether to require a numeric exp claim later than the current UTC time.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

LanguageCodeValidator(string)

Checks a two-letter language code format with an optional two-letter region. This does not check whether the codes are assigned in the ISO registries.

Declaration

public static Validator<string> LanguageCodeValidator(string fieldName = "Language")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

LatitudeValidator(string)

Creates a validator that checks if a string is a valid latitude coordinate.

Declaration

public static Validator<string> LatitudeValidator(string fieldName = "Latitude")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

LengthValidator(int, int?, string)

Creates a validator that checks string length constraints.

Declaration

public static Validator<string> LengthValidator(int minLength = 0, int? maxLength = null, string fieldName = "Value")

Parameters

Type	Name	Description
int	minLength	The minimum required length. Values with length less than this will fail validation.
int?	maxLength	The maximum allowed length. If null, no maximum is enforced.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

LettersOnlyValidator(bool, bool, bool, string)

Creates a validator that checks if a string contains only letters (including accented characters).

Declaration

public static Validator<string> LettersOnlyValidator(bool allowSpaces = true, bool allowHyphens = true, bool allowApostrophes = true, string fieldName = "Value")

Parameters

Type	Name	Description
bool	allowSpaces	Whether to allow spaces between letters.
bool	allowHyphens	Whether to allow hyphens between letters.
bool	allowApostrophes	Whether to allow apostrophes between letters.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

LongitudeValidator(string)

Creates a validator that checks if a string is a valid longitude coordinate.

Declaration

public static Validator<string> LongitudeValidator(string fieldName = "Longitude")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

MacAddressValidator(string)

Creates a validator that checks if a string is a valid MAC address.

Declaration

public static Validator<string> MacAddressValidator(string fieldName = "MAC Address")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

MimeTypeValidator(string)

Creates a validator that checks if a string is a valid MIME type.

Declaration

public static Validator<string> MimeTypeValidator(string fieldName = "MIME Type")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

NameValidator(int, int, string)

Creates a validator for names with length and character constraints. Allows letters, spaces, hyphens, and apostrophes.

Declaration

public static Validator<string> NameValidator(int minLength = 2, int maxLength = 50, string fieldName = "Name")

Parameters

Type	Name	Description
int	minLength	The minimum required length.
int	maxLength	The maximum allowed length.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

NotEmptyValidator(string)

Creates a validator that checks if a string is not empty (null, empty, or whitespace).

Declaration

public static Validator<string> NotEmptyValidator(string fieldName = "Value")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

NotNullValidator<T>(string)

Creates a validator that checks if a value is not null.

Declaration

public static Validator<T> NotNullValidator<T>(string fieldName = "Value")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<T>	A configured Validator<T> instance.

Type Parameters

Name	Description
T	The type of value to validate.

| Edit this page View Source

NullValidator<T>(string)

Creates a validator that checks if a value is null.

Declaration

public static Validator<T> NullValidator<T>(string fieldName = "Value")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<T>	A configured Validator<T> instance.

Type Parameters

Name	Description
T	The type of value to validate.

| Edit this page View Source

PasswordValidator(string)

Creates a validator for passwords with strength requirements. Requires at least 8 characters, one uppercase, one lowercase, one digit, and one special character.

Declaration

public static Validator<string> PasswordValidator(string fieldName = "Password")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

PhoneValidator(int, string)

Creates a validator for phone numbers that must contain only digits and have an exact length.

Declaration

public static Validator<string> PhoneValidator(int requiredLength = 10, string fieldName = "Phone")

Parameters

Type	Name	Description
int	requiredLength	The exact number of digits required.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

PostalCodeValidator(string, string)

Creates a validator that checks if a string is a valid postal code for various countries.

Declaration

public static Validator<string> PostalCodeValidator(string countryCode, string fieldName = "Postal Code")

Parameters

Type	Name	Description
string	countryCode	The ISO 3166-1 alpha-2 country code to validate against.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

RangeValidator<T>(T?, T?, string)

Creates a validator that checks if a value falls within a specified range.

Declaration

public static Validator<T> RangeValidator<T>(T? minValue = null, T? maxValue = null, string fieldName = "Value") where T : struct, IComparable<T>

Parameters

Type	Name	Description
T?	minValue	The minimum allowed value. If null, no minimum is enforced.
T?	maxValue	The maximum allowed value. If null, no maximum is enforced.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<T>	A configured Validator<T> instance.

Type Parameters

Name	Description
T	The type of value to validate (must be comparable).

| Edit this page View Source

RegexValidator(string, string, string)

Creates a validator that matches strings against a regular expression pattern. Empty or whitespace values are considered valid and skip pattern matching.

Declaration

public static Validator<string> RegexValidator(string pattern, string errorMessage, string fieldName = "Value")

Parameters

Type	Name	Description
string	pattern	The regular expression pattern to match.
string	errorMessage	The error message to display if validation fails.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

RequiredValidator(string)

Creates a validator that ensures a string value is not null, empty, or whitespace.

Declaration

public static Validator<string> RequiredValidator(string fieldName = "Value")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

SemanticVersionValidator(bool, string)

Creates a validator that checks if a string is a valid semantic version (SemVer).

Declaration

public static Validator<string> SemanticVersionValidator(bool requirePrerelease = false, string fieldName = "Version")

Parameters

Type	Name	Description
bool	requirePrerelease	Whether to require prerelease information.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

SlugValidator(int?, bool, string)

Creates a validator that checks if a string is a valid slug (URL-friendly string).

Declaration

public static Validator<string> SlugValidator(int? maxLength = null, bool allowUnderscores = false, string fieldName = "Slug")

Parameters

Type	Name	Description
int?	maxLength	Maximum length of the slug.
bool	allowUnderscores	Whether to allow underscores.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

SsnValidator(string)

Creates a validator that checks if a string is a valid social security number (SSN) format. Note: This only validates the format, not the actual validity of the number.

Declaration

public static Validator<string> SsnValidator(string fieldName = "SSN")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

StrictUrlValidator(bool, bool, string)

Creates a validator that checks if a string is a valid URL with comprehensive validation.

Declaration

public static Validator<string> StrictUrlValidator(bool requireHttps = false, bool allowLocalhost = false, string fieldName = "URL")

Parameters

Type	Name	Description
bool	requireHttps	Whether to require HTTPS protocol.
bool	allowLocalhost	Whether to allow localhost URLs.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

StrongPasswordValidator(int, bool, bool, bool, bool, bool, int?, string)

Creates a validator that checks if a string is a valid strong password with customizable requirements.

Declaration

public static Validator<string> StrongPasswordValidator(int minLength = 8, bool requireUppercase = true, bool requireLowercase = true, bool requireNumber = true, bool requireSpecial = true, bool requireNonAlphanumeric = false, int? maxConsecutiveChars = null, string fieldName = "Password")

Parameters

Type	Name	Description
int	minLength	Minimum password length.
bool	requireUppercase	Whether to require at least one uppercase letter.
bool	requireLowercase	Whether to require at least one lowercase letter.
bool	requireNumber	Whether to require at least one number.
bool	requireSpecial	Whether to require at least one special character.
bool	requireNonAlphanumeric	Whether to require at least one non-alphanumeric character.
int?	maxConsecutiveChars	Maximum consecutive identical characters allowed.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

TimeValidator(string)

Creates a validator that checks if a string is a valid time in HH:mm or HH:mm:ss format.

Declaration

public static Validator<string> TimeValidator(string fieldName = "Time")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

TimeZoneValidator(string)

Creates a validator that checks if a string is a valid time zone identifier.

Declaration

public static Validator<string> TimeZoneValidator(string fieldName = "Time Zone")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

UrlValidator(string)

Creates a validator for URLs using Uri.TryCreate for validation.

Declaration

public static Validator<string> UrlValidator(string fieldName = "URL")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

UsernameValidator(int, int, string)

Creates a validator for usernames with common constraints. Allows letters, numbers, underscores, and hyphens. Must start with a letter.

Declaration

public static Validator<string> UsernameValidator(int minLength = 3, int maxLength = 20, string fieldName = "Username")

Parameters

Type	Name	Description
int	minLength	The minimum required length.
int	maxLength	The maximum allowed length.
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

UuidValidator(string)

Creates a validator that checks if a string is a valid UUID (version 1-5).

Declaration

public static Validator<string> UuidValidator(string fieldName = "UUID")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

WhitespaceValidator(string)

Creates a validator that checks if a string contains only whitespace.

Declaration

public static Validator<string> WhitespaceValidator(string fieldName = "Value")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.

| Edit this page View Source

ZipCodeValidator(string)

Creates a validator for US ZIP codes (5-digit or 9-digit format). Supports formats: 12345 or 12345-6789

Declaration

public static Validator<string> ZipCodeValidator(string fieldName = "ZipCode")

Parameters

Type	Name	Description
string	fieldName	The name of the field being validated.

Returns

Type	Description
Validator<string>	A configured Validator<T> instance.