Adobe Dreamweaver CS5.5 Studio Techniques: Designing and Developing for Mobile with jQuery, HTML5, and CSS3

Validating the date format

There are plans to adapt the jQuery UI Datepicker widget for use in a jQuery Mobile site. At the time of this writing, the widget was still highly experimental. When a stable version becomes available, you might prefer to use it instead of the following solution, which checks only the date format, not the validity of the date.

Close-Up: Regular Expressions

A regular expression—or regex for short—is a pattern for matching text. Regexes use a combination of literal text and characters with special meanings. For example, \w matches any alphanumeric character or an underscore. Learning how to build regexes isn’t easy, but ...