In this article you'll learn how to use Ajax calls within your CodeIgniter application. To explain this, I'll illustrate how to implement a simple contact form to allow visitors to send you an email through your web site.
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern:
The viewer will learn how to create a basic form using some HTML5 and PHP for later processing.
Set up your basic HTML file. Open your form tag and set the method and action attributes.:
Set up your first few inputs one for the name and …