ISO8601DateRule

@available(OSX 10.12, iOS 10.0, watchOS 3.0, *)
public class ISO8601DateRule : ValidationRule<String>

ISO8601DateRule is a subclass of ValidationRule that means value can’t be nil or blank. Make sure required rule is the first item in rules list


                    
                    
                    init(options:message:)

Initializes a ISO8601DateRule object that will validate a value is not nil.

Swift

public init(options: ISO8601DateFormatter.Options, message: String = "is invalid.")


                                message

String of error message.

An initialized ISO8601DateRule object.


                    
                    
                    validate(_:)

Method used to validate the provided value.

Swift

public override func validate(_ value: String?) -> String?


                                value

Any value to be checked for validation.

Error Message. nil if validation is successful; String if validation fails. Returns error for empty string or collection