@Contains(seed: string)
|
Checks if the string contains the seed.
|
是否包含种子
|
@NotContains(seed: string)
|
Checks if the string not contains the seed.
|
是否不包含种子
|
@IsAlpha()
|
Checks if the string contains only letters (a-zA-Z).
|
是否只包含字母
|
@IsAlphanumeric()
|
Checks if the string contains only letters and numbers.
|
是否只包含字母和数字
|
@IsDecimal(options?: IsDecimalOptions)
|
Checks if the string is a valid decimal value. Default IsDecimalOptions are
force_decimal=False
,
decimal_digits: '1,'
,
locale: 'en-US'
|
是否为有效的十进制值。默认的IsDecimalOptions是force_decimal=False,decimal_digits:‘1’,locale:‘en-US’
|
@IsAscii()
|
Checks if the string contains ASCII chars only.
|
是否只包含ASCII字符
|
@IsBase32()
|
Checks if a string is base32 encoded.
|
是否是base32编码的
|
@IsBase64()
|
Checks if a string is base64 encoded.
|
是否是base64编码的
|
@IsIBAN()
|
Checks if a string is a IBAN (International Bank Account Number).
|
是否为IBAN(国际银行帐号)
|
@IsBIC()
|
Checks if a string is a BIC (Bank Identification Code) or SWIFT code.
|
是BIC(银行识别码)还是SWIFT码
|
@IsByteLength(min: number, max?: number)
|
Checks if the string’s length (in bytes) falls in a range.
|
长度(以字节为单位)是否在某个范围内
|
@IsCreditCard()
|
Checks if the string is a credit card.
|
是否为信用卡
|
@IsCurrency(options?: IsCurrencyOptions)
|
Checks if the string is a valid currency amount.
|
是否为有效的货币金额
|
@IsEthereumAddress()
|
Checks if the string is an Ethereum address using basic regex. Does not validate address checksums.
|
是否是以太坊地址。不验证地址校验和
|
@IsBtcAddress()
|
Checks if the string is a valid BTC address.
|
是否为有效的BTC地址
|
@IsDataURI()
|
Checks if the string is a data uri format.
|
是否为数据uri格式
|
@IsEmail(options?: IsEmailOptions)
|
Checks if the string is an email.
|
是否为电子邮件
|
@IsFQDN(options?: IsFQDNOptions)
|
Checks if the string is a fully qualified domain name (e.g. domain.com).
|
是否是完全限定的域名(例如domain.com)
|
@IsFullWidth()
|
Checks if the string contains any full-width chars.
|
是否包含任何全角字符
|
@IsHalfWidth()
|
Checks if the string contains any half-width chars.
|
是否包含任何半角字符
|
@IsVariableWidth()
|
Checks if the string contains a mixture of full and half-width chars.
|
是否包含全半角字符
|
@IsHexColor()
|
Checks if the string is a hexadecimal color.
|
是否为十六进制颜色
|
@IsHSLColor()
|
Checks if the string is an HSL color based on
CSS Colors Level 4 specification
.
|
是否是基于CSS Colors Level 4规范的HSL颜色
|
@IsRgbColor(options?: IsRgbOptions)
|
Checks if the string is a rgb or rgba color.
|
是rgb还是rgba颜色
|
@IsIdentityCard(locale?: string)
|
Checks if the string is a valid identity card code.
|
是否是有效的身份证代码(估计是国外的身份证格式)
|
@IsPassportNumber(countryCode?: string)
|
Checks if the string is a valid passport number relative to a specific country code.
|
是否是相对于特定国家代码的有效护照号码
|
@IsPostalCode(locale?: string)
|
Checks if the string is a postal code.
|
是否是邮政编码
|
@IsHexadecimal()
|
Checks if the string is a hexadecimal number.
|
是否为十六进制数
|
@IsOctal()
|
Checks if the string is a octal number.
|
是否为八进制数
|
@IsMACAddress(options?: IsMACAddressOptions)
|
Checks if the string is a MAC Address.
|
是否为MAC地址
|
@IsIP(version?: "4"\|"6")
|
Checks if the string is an IP (version 4 or 6).
|
是否为IP(版本4或6)
|
@IsPort()
|
Checks if the string is a valid port number.
|
是否为有效的端口号
|
@IsISBN(version?: "10"\|"13")
|
Checks if the string is an ISBN (version 10 or 13).
|
是否为ISBN(版本10或13)
|
@IsEAN()
|
Checks if the string is an if the string is an EAN (European Article Number).
|
是否为EAN(欧洲商品编号)
|
@IsISIN()
|
Checks if the string is an ISIN (stock/security identifier).
|
是否为ISIN(股票/安全标识符)
|
@IsISO8601(options?: IsISO8601Options)
|
Checks if the string is a valid ISO 8601 date format. Use the option strict = true for additional checks for a valid date.
|
是否为有效的ISO 8601日期格式。对于有效日期的其他检查,请使用选项strict=true。
|
@IsJSON()
|
Checks if the string is valid JSON.
|
是否为有效的JSON
|
@IsJWT()
|
Checks if the string is valid JWT.
|
是否为有效的JWT
|
@IsObject()
|
Checks if the object is valid Object (null, functions, arrays will return false).
|
是否为有效对象(null、函数、数组将返回false)
|
@IsNotEmptyObject()
|
Checks if the object is not empty.
|
对象是否为空
|
@IsLowercase()
|
Checks if the string is lowercase.
|
是否为小写
|
@IsLatLong()
|
Checks if the string is a valid latitude-longitude coordinate in the format lat, long.
|
是否为lat,long格式的有效经纬度坐标
|
@IsLatitude()
|
Checks if the string or number is a valid latitude coordinate.
|
检查字符串或数字是否是有效的纬度坐标
|
@IsLongitude()
|
Checks if the string or number is a valid longitude coordinate.
|
检查字符串或数字是否为有效的经度坐标
|
@IsMobilePhone(locale: string)
|
Checks if the string is a mobile phone number.
|
是否是移动电话号码
|
@IsISO31661Alpha2()
|
Checks if the string is a valid ISO 3166-1 alpha-2 officially assigned country code.
|
是否是有效的iso3166-1alpha-2官方指定的国家代码。
|
@IsISO31661Alpha3()
|
Checks if the string is a valid ISO 3166-1 alpha-3 officially assigned country code.
|
是否是有效的iso3166-1alpha-3官方指定的国家代码。
|
@IsLocale()
|
Checks if the string is a locale.
|
是否为区域设置
|
@IsPhoneNumber(region: string)
|
Checks if the string is a valid phone numberusing libphonenumber-js.
|
是否是有效的电话号码
|
@IsMongoId()
|
Checks if the string is a valid hex-encoded representation of a MongoDB ObjectId.
|
是否是MongoDB ObjectId的有效十六进制编码表示形式
|
@IsMultibyte()
|
Checks if the string contains one or more multibyte chars.
|
是否包含一个或多个多字节字符
|
@IsNumberString(options?: IsNumericOptions)
|
Checks if the string is numeric.
|
是否包含任何代理项对字符
|
@IsSurrogatePair()
|
Checks if the string contains any surrogate pairs chars.
|
是否包含任何代理项对字符
|
@IsUrl(options?: IsURLOptions)
|
Checks if the string is an url.
|
是否为url
|
@IsMagnetURI()
|
Checks if the string is a
magnet uri format
.
|
是否为magneturi格式
|
@IsUUID(version?: "3"\|"4"\|"5"\|"all")
|
Checks if the string is a UUID (version 3, 4, 5 or all ).
|
是否是UUID(version 3、4、5或all)
|
@IsFirebasePushId()
|
Checks if the string is a
Firebase Push ID
|
是否为Firebase Push ID
|
@IsUppercase()
|
Checks if the string is uppercase.
|
是否为大写
|
@Length(min: number, max?: number)
|
Checks if the string’s length falls in a range.
|
符串的长度是否在某个范围内
|
@MinLength(min: number)
|
Checks if the string’s length is not less than given number.
|
字符串的长度是否不小于给定的数字
|
@MaxLength(max: number)
|
Checks if the string’s length is not more than given number.
|
字符串的长度是否不大于给定的数字
|
@Matches(pattern: RegExp, modifiers?: string)
|
Checks if string matches the pattern. Either matches(‘foo’, /foo/i) or matches(‘foo’, ‘foo’, ‘i’).
|
是否与模式匹配,匹配(‘foo’,/foo/i)或匹配(‘foo’,‘foo’,‘i’)
|
@IsMilitaryTime()
|
Checks if the string is a valid representation of military time in the format HH:MM.
|
是否是HH:MM格式的有效军事时间表示形式
|
@IsHash(algorithm: string)
|
Checks if the string is a hash The following types are supported:
md4
,
md5
,
sha1
,
sha256
,
sha384
,
sha512
,
ripemd128
,
ripemd160
,
tiger128
,
tiger160
,
tiger192
,
crc32
,
crc32b
.
|
是否是散列,以下类型是supported:md4、md5、sha1、sha256、sha384、sha512、ripemd128、ripemd160、tiger128、tiger128、tiger192、crc32、crc32b。
|
@IsMimeType()
|
Checks if the string matches to a valid
MIME type
format
|
是否与有效的MIME类型格式匹配
|
@IsSemVer()
|
Checks if the string is a Semantic Versioning Specification (SemVer).
|
是否为语义版本控制规范(SemVer)
|
@IsISSN(options?: IsISSNOptions)
|
Checks if the string is a ISSN.
|
是否为ISSN
|
@IsISRC()
|
Checks if the string is a
ISRC
.
|
是否为ISRC
|
@IsRFC3339()
|
Checks if the string is a valid
RFC 3339
date.
|
是否为有效的RFC 3339日期
|