Checks comment to ensure they are longer than the minimum, shorter than the maximum and also allows comments to be forced into moderation based on length.
Inspects, logs and with the aid of WP-CLI, it may even repair possible issues with your WordPress installation.
Address validation by Postcode Checkout
Adds a new comment validation method in the "Before a comment appears" Discussion subsection panel.
This plugin detects one-time email addresses (disposable email, trashmail, mailinator, 10minutemail) and helps to keep your userbase and comments clean. Free registration at www.block-disposable-email.com needed.
Contact Form 7 validation messages provide custom error messages for each field.
Extends Contact Form 7 Email Validation.
Added mail validation function to Contact Form 7. Protected by rejection filter, RFC filter, and DNS filter.
This plugin adds UK address postcode lookup functionality to the address forms on the front-end in WooCommerce.
Requires PHP
Plugin criado para inserir, gerenciar e validar CPF e CNPJ nos formulários criados com Contact Form 7, de forma fácil e otimizada para o usuário final.
Avoid those pesky blank page with an error message like "please fill out required fields" then loosing your/users comment info. Validation with javascript.
Allows you to make post, page, custom post elements required: title, content, featured image.
This plugin adds UK postcode lookup functionality to the address forms on the front-end in WooCommerce.
A plugin that makes building custom HTML forms by hand easier.
This plugin adds an awesome feature that provides instant feedback and guidance in each field, helps prevent errors.
Ideal Postcodes UK address search and validation extension for WooCommerce
Dead-Letter.Email for Wordpress. Dead simple disposable email check that just works.
The Protected Site plugin blocks incoming traffic from accessing a blog or a specific blog in a network by requiring visitors to log in to WordPress.
Adds a form wizard with validation to your checkout page.