Password strength checking is an easy way to show the strength of user password on the registration forms. It helps users to choose more secure password when filling the forms.
In this tutorial we will build a basic form field that provides live feedback to the users about the password strength. The basic idea is to evaluate the password string every time a user enters a character. We will check the password strength using a few regular expressions with jQuery.
In this tutorial you will learn how to validate form fields with jQuery and CodeIgniter. We will use jQuery to validate in client side and PHP with CodeIgniter framework to validate server side. Therefore it will be very easy to follow this tutorial if you have basic knowledge of jQuery and CodeIgniter. Even if you don’t have knowledge of jQuery or CodeIgniter, it should not be a problem as i will start from very basics.
At the end of this tutorial, you can find a working example as well as all files to download.
This article is about creating a form using some of CSS3 properties. You can easily customize the style.
