tools/validation/validator
library
Functions
-
contains(String str, dynamic substring)
→ bool
-
check if the string contains the substring
-
convertFormatDate({String? formatToSave, String? formatToDisplay, String? valueDate})
→ String
-
-
equals(String str, dynamic comparison)
→ bool
-
check if the string matches the comparison
-
hasValidUrl(String value)
→ bool
-
-
isAfter(String str, [dynamic date])
→ bool
-
check if the string is a date that's after the specified date
-
isAlpha(String str)
→ bool
-
check if the string contains only letters (a-zA-Z).
-
isAlphanumeric(String str)
→ bool
-
check if the string contains only letters and numbers
-
isAscii(String str)
→ bool
-
check if the string contains ASCII chars only
-
isAssetFileExists(String filePath)
→ Future<bool>
-
-
isBase64(String str)
→ bool
-
check if a string is base64 encoded
-
isBefore(String str, [dynamic date])
→ bool
-
check if the string is a date that's before the specified date
-
isByteLength(String str, int min, [int? max])
→ bool
-
check if the string's length (in bytes) falls in a range.
-
isCreditCard(String str)
→ bool
-
check if the string is a credit card
-
isDate(String str)
→ bool
-
check if the string is a date
-
isDivisibleBy(String str, dynamic n)
→ bool
-
check if the string is a number that's divisible by another
-
isEmail(String str)
→ bool
-
check if the string is an email
-
isFloat(String str)
→ bool
-
check if the string is a float
-
isFullWidth(String str)
→ bool
-
check if the string contains any full-width chars
-
isHalfWidth(String str)
→ bool
-
check if the string contains any half-width chars
-
isHexadecimal(String str)
→ bool
-
check if the string is a hexadecimal number
-
isHexColor(String str)
→ bool
-
check if the string is a hexadecimal color
-
isIn(String str, dynamic values)
→ bool
-
check if the string is in an array of allowed values
-
isInt(String str)
→ bool
-
check if the string is an integer
-
isIP(String str, [dynamic version])
→ bool
-
check if the string is an IP (version 4 or 6)
-
isISBN(String str, [dynamic version])
→ bool
-
check if the string is an ISBN (version 10 or 13)
-
isJson(dynamic str)
→ bool
-
check if the string is valid JSON
-
isLength(String str, int min, [int? max])
→ bool
-
check if the string's length falls in a range
If no max is given then any length above min is ok.
-
isLowercase(String str)
→ bool
-
check if the string is lowercase
-
isMongoId(String str)
→ bool
-
check if the string is a valid hex-encoded representation of a MongoDB ObjectId
-
isMultibyte(String str)
→ bool
-
check if the string contains one or more multibyte chars
-
isNumeric(String str)
→ bool
-
check if the string contains only numbers
-
isSurrogatePair(String str)
→ bool
-
check if the string contains any surrogate pairs chars
-
isUppercase(String str)
→ bool
-
check if the string is uppercase
-
isUrl(String url)
→ bool
-
-
isUUID(String str, [dynamic version])
→ bool
-
check if the string is a UUID (version 3, 4 or 5).
-
isVariableWidth(String str)
→ bool
-
check if the string contains a mixture of full and half-width chars
-
matches(String str, dynamic pattern)
→ bool
-
check if string matches the pattern.
