![]() ![]() You should pass some data that you expect to pass validation, and some that you expect to fail. The easiest way to test any validation method is to run your app and pass it some data to validate. Yup Validation FAQs How Do I Test Validation? Use Abstract’s suite of email validation tools to successfully validate emails without allowing invalid email formats. ![]() One such set of tools is Abstract API’s email validation tools.Ībstract API provides an easy-to-use, language-agnostic API that can be used with JavaScript, Python, Java, Ruby, C, HTML, and many other languages Alternatives to YupĪnother way around the crucial Yup email validation problem is to use an alternative method to validate emails. Node.js way around this is to use the () method instead of the () method, and use custom Regex to match and validate the email addresses. In this case, the validator should expect an array of yup string values. Create a schema with an array field, then define the type of Schema that the array field should expect. ![]() Yup also gives us the ability to validate multiple emails at once, using yup.array. Comma Separated Email Validation Using Yup The isValid function resolves true if the provided email string is valid, or false if it is not. We then call the Yup isValid function on the schema object, passing it an email string. We create an email field using the yup.string().email() method. We create a yup schema object, passing it the fields we want to include for form validation. Here, we’re using the basic Yup string email validator to check the validity of an email. ![]()
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