ReqMatch class Null safety

Convenient validator for required fields whose constraints regard to text pattern.

Constructors

ReqMatch(String pattern, {String? blank, String? mis})
Constrains input data to values that the pattern pattern has a match. [...]
ReqMatch.regExp(RegExp regExp, {String? blank, String? mis})
Constrains input data to values that the regular expression regExp has a match. [...]

Properties

hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

call(String? input) String?
Valid - returns null - if input is neither null nor empty, and the text pattern has a match in input.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited