NumericRule

public class NumericRule : CharacterSetRule

NumericRule is a subclass of CharacterSetRule. It is used to verify that a field has a valid list of numeric characters.

  • Initializes an NumericRule object to verify that a field has valid set of numeric characters.

    Declaration

    Swift

    public init(message: String = "can have numeric characters only.")

    Return Value

    An initialized object, or nil if an object could not be created for some reason.