ReqHex class

Convenient validator for required hexadecimal fields.

Constructors

ReqHex({String? blank, String? mal})
Constrains the input data to hexadecimal digits.
ReqHex.len(int len, {String? blank, String? mal, String? diff})
Constrains the input data to hexadecimal digits and its length to len hex-digits.
ReqHex.max(int max, {String? blank, String? mal, String? long})
Constrains the input data to hexadecimal digits and its length to a maximum of max hex-digits.
ReqHex.min(int min, {String? blank, String? mal, String? short})
Constrains the input data to the hexadecimal digits and its length to a minimum of min hex-digits.
ReqHex.range(int min, int max, {String? blank, String? mal, String? short, String? long})
Constrains the input data to the hexadecimal digits and its length within the range min–max.

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

call(String? input) String?
Valid - returns null - if input consists of hex-digits.
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