Archive Photoshop Tips Fonts Design Promoting Web Hosting Frontpage . EST JavaScript is fast becoming the scripting language of choice. It's compatibility with object oriented programming, and its links with internet technologies, means this language should be taken more seriously, as it deserves to be treated. With the grea ter level of sophistication demanded from web pages, the need for reusable, easily maintainable, independent objects is growing.
Regular expressions are a relatively small programming language, embedded within a host.
They were introduced into JavaScript as a fourth generation browser feature, where they serve as powerful tools for pattern matching and other string evaluation an d processing tasks. They are especially invaluable when used to analyze a string input from a user, such as data entered into forms on a web page. This article describes how easy it is to create your own library of regular expressions that can be implemented in any of your web pages. By saving the form validation code in a file, you can avoid yourself the hassle of re-writing the same piece of co de over and over again, simply by including that file in all your HTML code. HTML attributes and JavaScript object properties.