Validation is necessary in input fields of forms. For this, VueJS has great validation rules. You can either use core validation rules or use vue validation plugins for that.

1. Implementing Vue Validation

2. Pre-requisites for Vue Validation
• To use Vue on your server, you must first install npm.
• Now install Vue and create Routes in Vue Controller.
• VueController is used for handling various logical operations
• Now, create view file insider resources/views/ folder.
• Name the file vuevalidation-form.blade.php

3. Vue Validation Plugins
• If you don’t want to configure validation in Vue manually, you can also
use plugins.
• Here are some plugins:
• Vue-validator
• Vue-form-generator
• Vee-validate

4. Vee Validate
• This is a lightweight VueJS validation plugin for validating input fields.
• This plugin has currently 20 validation rules to make it easier for devs
to implement Vue validation.
• To validate an input field, you have to attach v-validate directive and
define validation rules inside the data-rules attribute.

5. Vue Validation Errors
• first(‘field’): Fetches the first error message associated with that field.
• collect(‘field’): Fetches all error messages associated with that field.
• has(‘field’): Checks if there are any errors associated with that field.
• all(): Gets all error messages.
• any(): Checks if there are any errors.

6. Read Detailed Guide on Vue Validation on Cloudways Blog.