validated
library
Functions
blacklist (String str , String chars → String
remove characters that appear in the blacklist.
contains (String string , String find → bool
Check if find is contained in string
escape (String str → String
replace <, >, &, ' and " with HTML entities
isAlpha (String input → bool
check if the string input contains only letters (a-zA-Z).
isAlphanumeric (String input → bool
check if the string input contains only letters and numbers
isAscii (String input → bool
check if the string contains ASCII chars only
isBase32 (String input → bool
check if a string input is base32 encoded
isBase64 (String input → bool
check if a string input is base64 encoded
isBoolean (dynamic input → bool
check if a string input represents boolean value like true , false , 0 , 1
isByteLength (String str , {dynamic min = 0 , dynamic max → bool
check if the string's length (in bytes) falls in a range.
isCapitalized (String input → bool
Check if string input is capitalized
isCreditCard (String input → bool
Check if string input is a credit card or not
isCurrency (String input , {dynamic symbol = '\$' , dynamic require_symbol = false , dynamic allow_space_after_symbol = false , dynamic symbol_after_digits = false , dynamic allow_negatives = true , dynamic parens_for_negatives = false , dynamic negative_sign_before_digits = false , dynamic negative_sign_after_digits = false , dynamic allow_negative_sign_placeholder = false , dynamic thousands_separator = ',' , dynamic decimal_separator = '.' , dynamic allow_decimal = true , dynamic require_decimal = false , dynamic digits_after_decimal = const [2] , dynamic allow_space_after_digits = false → bool
Check if string input is a currency
optional params
symbol = "$"
require_symbol = false
allow_space_after_symbol = false
symbol_after_digits = false
allow_negatives = true
parens_for_negatives = false
negative_sign_before_digits = false
negative_sign_after_digits = fasle
allow_negative_sign_placeholder = false
thousands_separator = ','
decimal_separator = '.'
allow_decimal = true
require_decimal = false
digits_after_decimal = const 2
allow_space_after_digits = false
isDataURI (String input → bool
check if string input is a data uri
isDivisibleBy (String str , dynamic n → bool
check if the string str is a number that's divisible by another
isEmail (String input → bool
Check if string input is an email
isEmoji (String input → bool
Takes an input (an emoji) for validation
isFloat (String str → bool
check if the string str is a float
isFQDN (dynamic input , [dynamic options → bool
check if the string input is a fully qualified domain name (e.g. domain.com).
isFullWidth (String input → bool
check if the string contains any full-width chars
isHalfWidth (String input → bool
check if the string contains any half-width chars
isHash (String input , String algorithmName → bool
check if the string input is a hash
available algoritms for string algorithmName param
md5
md4
sha1
sha256
sha384
sha512
ripemd128
ripemd160
tiger128
tiger160
tiger192
crc32
crc32b
isHexadecimal (String input → bool
check if the string input is a hexadecimal number
isHexColor (String input → bool
check if the string input is a hexadecimal color
isIP (String str , [dynamic version → bool
check if the string str is IP version 4 or 6
isIPRange (String input → bool
check if the string str falls in an IP range
isISBN (String input , [dynamic version → bool
check if the string input is an ISBN (version 10 or 13)
isISIN (String input → bool
check if the string input is an ISIN
isJSON (String input → bool
check if string input is json (stringyfied)
isJWT (String input → bool
check if string input is a JWT token
isLatLong (String input → bool
check if string input is a latlong
isLength (String input , int min , [int ?max → bool
check if the length of the string input falls in a range
isLowercase (String input → bool
check if string input is lowercased
isMACAddress (String input , {dynamic no_colons → bool
Check if string input is a MAC Adress
no_colons is an optional param
isMagnetURI (String input → bool
check if string input is a magnet URI
isMD5 (String input → bool
check if string input is a md5 hash
also use isHash for more algorithms
isMongoID (String input → bool
check if string input is a mongo ID
isMultibyte (String input → bool
check if the string contains one or more multibyte chars
isNull (String input → bool
check if the string input is null
isNumeric (String input , {bool no_symbols = false → bool
check if the string input contains only numbers
isSameType (dynamic obj1 , dynamic obj2 → bool
Check if Object1 obj1 is same as Object2 obj2
it might return false in many cases
isUpperCase (String input → bool
check if string input is uppercased
isURL (String input , [Map ?options → bool
check if the string input is a URL
isUUID (String input , [String version = 'all' → bool
check if string input is an UUID (version 3, 4 or 5
version is an optional positioned param
pass String value for version
version expected values -> '3', '4', '5', 'all'
by default 'all' is used
isVariableWidth (String input → bool
check if the string contains a mixture of full and half-width chars
isWhitelisted (String string , dynamic chars → bool
check if string string is whitelisted
pass down chars @required
ltrim (String str , [String ?chars → String
trim characters from the left-side of the input
normalizeEmail (String email , [Map ?options → String
canonicalize an email address.
rtrim (String str , [String ?chars → String
trim characters from the right-side of the input
stripLow (String str , [bool keep_new_lines = false → String
remove characters with a numerical value < 32 and 127.
toBoolean (String str , [bool strict = false → bool
convert the input to a boolean.
toDate (String str → DateTime ?
convert the input to a date, or null if the input is not a date
toDouble (String str → double
convert the input to a float, or NAN if the input is not a float
toFloat (String str → double
convert the input to a float, or NAN if the input is not a float
toInt (String str , {int radix = 10 → num
convert the input to an integer, or NAN if the input is not an integer
toString (dynamic input → String
convert the input to a string
trim (String str , [String ?chars → String
trim characters (whitespace by default) from both sides of the input
whitelist (String str , String chars → String
remove characters that do not appear in the whitelist.
