The $v computed property contains a number of methods that are useful in confirming the validity of our form but we’re only going to focus on a few of them:

$invalid

To check if the form passes all validation.

email

To check that the value is a valid email address.

minValue

To check that the value of age passes the minValue check.

If you enter a value for age less than the minimum age set in the validation and check $v.form.age.minValue, it would be set to false and this means the value in the input field doesn’t pass the minValue validation check.

We also need to validate our password field and ensure it contains the required format but Vuelidate does not have a built-in validator that we can use to achieve this. We can write our own custom validator that does this using RegEx. This custom validator would look like this;