Structure
DSNumberValidationRule
public struct DSNumberValidationRule: DSValidationRule A validation rule for requiring that only digits are entered.
Relationships
Conforms To
DSValidationRuleA validation framework for defining how text entered into a DSTextField can be validated and an appropriate error message provided if that validation fails. Multiple DSValidationRule objects can stack to perform multiple validations including the special DSRequiredTextValidationRule which is the only built-in rule validates empty fields.
Initializers
init(message:)
public init(message: String) Initializes the validation rule.
Parameters
| Name | Type | Description |
|---|---|---|
| message | String |
Error message to display if validator fails |
Properties
errorMessage
public private(set) var errorMessage: StringThe error message to be displayed when validation fails.
Methods
isValid(_:)
public func isValid(_ text: String) -> Bool Valid if the entered text is an integer number.