validation codes

Validate Local Page Markup in JavaScript

Fill Any Empty HTML Field on Exit with a user supplied value

PHP URL validation

Shoulda with TestUnit: Conditional Validation using Shoulda/Subject

additonal fluent validation extension method for working with collection

Fluent Validation extension method

Email validation with MX check

Email Validation

Check for Valid Email

Prohibir ciertos caracteres en un input

Validate IBAN with RegExp

USPS Address Correction

No permitir ingresar ciertos caracteres en un input

Validate an email address. (advanced)

Validate an email address.

Validte a telephone number.

Check Valid Email using filter_var

Codeigniter Numeric Dash Validation

Email Validation Function

KickApps - Change form validation to use JQuery. Fixes issues with IE

Avoid HTML validators in your javascript inline code with CDATA

Javascript OOP Form Validator

laravel validation alphanumeric with spaces

numeric key angular validation

email validation using django

java regex email address validation