Valid8 is form validation plugin for jQuery that features support for three types of validation techniques; Regular expressions, custom javascript functions and Ajax requests. The three techniques can be combined in any way you want. For example, in a very extreme case, you can use two regular expressions, one javascript function and three ajax requests for validating a single input field.

Valid8 ranges from super simple ‘making an input field required’ to an near endless possibility of complexity. To implement Valid8 is pretty simple, for example, calling the valid8 method without any arguments will show the default validation error message ‘Required’ if the input field is left empty. Other example is by calling the valid8 method with a string as an argument will show the string as an a validation error message if the input field is left empty.

Requirements: jQuery Framework
Demo: http://unwrongest.com/projects/valid8/
License: MIT License

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