Validity : Form validation jQuery Plugin

Validity is powerful jQuery plug-in you can use to setup client-side form validation.
Instead of writing validation manually, plug-in allows you to design client-side validation in
a manner that feels natural and straightforward.

Features:

• Validity is easy to use.
• Rules for e-mail, date, number, URL, time, phone, zip, etc.
• Use of jQuery’s selector engine to perform validation
• Customizable error messages