MinLengthRule
public class MinLengthRule: Rule
MinLengthRule
is a subclass of Rule that defines how minimum character length is validated.
-
Declaration
Swift
public init(){}
Return Value
An initialized
MinLengthRule
object, or nil if an object could not be created for some reason that would not result in an exception. -
Initializes a
MaxLengthRule
object that is to validate the length of the text of a text field.Declaration
Swift
public init(length: Int, message : String = "Must be at least %ld characters long")
Parameters
length
Minimum character length.
message
String of error message.
Return Value
An initialized
MinLengthRule
object, or nil if an object could not be created for some reason that would not result in an exception. -
Validates a text field. - parameter value: String to checked for validation. - returns: A boolean value. True if validation is successful; False if validation fails.
Declaration
Swift
public func validate(value: String) -> Bool
Parameters
value
String to checked for validation.
Return Value
A boolean value. True if validation is successful; False if validation fails.
-
Displays error message when text field has failed validation.
Declaration
Swift
public func errorMessage() -> String
Return Value
String of error message.