bValidator is a jQuery plug-in for client side form validation. It supports fully customized error messages defined with template and CSS, many validation functions (actions) like date, email, URL, IP address, validation of dynamic forms, customized validation functions and more.
Best jQuery Form Validation Plugins & Tutorials with Demo
In this tutorial I’m going to teach you how to create a signup form with advanced AJAX validation and CAPTCHA.
In this tutorial by Michal Kozak you will learn how to build a useful client side and real time form validation with the help of jQuery – you will write and build the simplest form ever possible, nice and clean, without any unnecessary tags.