Validation

jQuery Steps is an all-in-one wizard plugin that is extremely flexible, compact and feature-rich. This smart UI component allows you to easily create wizard-like interfaces. It groups content into sections for a more structured and orderly page view. Furthermore, it is as simple as 1-2-3 to add plugins such as jQuery Validation which can prevent step changing or submission.    jQuery Steps - Features: Accessability support Make it visible for everyone without extra work - just use it. Asyn

Formly provides an unbelievably easy way to add style and validation to your forms. It makes adding forms to your site a bit more exciting. Easily add style, validation, and a more impressive user interaction with a single function.  

appendGrid allow you to input structured data row by row such like filling spreadsheets. It allows you to add/remove/insert/delete row in the grid. The generated input/select/textarea controls are well named for submitting to server side applications such as ASP.NET/PHP/JSP. Multiple options and callback events are available to fit every situation.  

formatter.js formats html inputs to match a specified pattern.  

Ideal Forms is the ultimate framework for building and validating responsive HTML5 forms.   Ideal Forms - Features: On the spot validation Fully adaptive (adapts to the container, no css media queries needed) Keyboard support Custom checkboxes, radios and file inputs Custom seamless jQuery UI datepicker Support for third party extensions Localization  

Pliant is a jQuery plugin for form validation, that tries to be very flexible as far as validation rules are concerned. It also allows defining rules via HTML comments. Pliant - Features: Central, or field specific rule definitions. Rule inheritance and property overriding. Validation on field change. Field/Rule validation chaining. Apply validation on init, after init, or via HTML comments. Control field/rule message locations globally, or per field/rule instance. Control the form valid

jQuery Credit Card Validator detects and validates credit card numbers. It'll tell you the detected credit card type and whether the number length and Luhn checksum are valid for the type of card.  

Alpaca is the Easy Forms Engine for jQuery and Twitter Bootstrap. It is built around JSON schema to keep things simple.  The philosophy behind Alpaca is that you should design your forms once and have them work on lots of different devices and UI engines without recoding.   Using Alpaca, you can express your forms object model, types, properties and validation logic. Forms rendered with Alpaca provide intuitive interfaces for your users while giving your business an assurance of data complianc

Inputosaurus Text is an <input> that allows for multiple delimited values, parse hooks, autocomplete, keyboard shortcuts, etc. It represents (and is instantiated on) a text <input>.  This new input allows for multiple values that appear to be contained within a single input element. All values are separated via a delimiter of your choosing and placed back as the original input's value.  

Nod is a jQuery plugin that gives you frontend validation for forms. It defaults to the structure that bootstrap uses for its forms. Nod is designed to:  Keep validation away from the fields to keep the html clean and simple Work with selectors so you can target more fields with just one "rule" Be flexible. You can easily define your own functions to validate for (and many other things) Be extensible. If you look in the source code, it should be fairly easy to add new rules or remove/add fun