KatValidators class

Common field validators, usable directly or through haveUnicode as a FormFieldValidator.

Constructors

KatValidators()

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Methods

haveUnicode({String errorText = "This field have unicode."}) → FormFieldValidator<String>
A FormFieldValidator that rejects unicode input, for fields that must stay ASCII-only (e.g. usernames, codes).
isEmail(String? str) → bool
Returns true if str looks like a valid email address.
isUnicode(String? str) → bool
Returns true if str contains any character outside the printable ASCII range (code unit above 0x7E), e.g. Vietnamese diacritics.
isValidDatetimeUtc(String? str) → bool
Returns true if str parses to a UTC date/time.
isValidPassword(String? str) → bool
Returns true if str is at least 6 characters long and contains an uppercase letter, a lowercase letter, and at least one digit or symbol.