HEATKEYS

CSE HTML Validator is a powerful and easy to use offline HTML, XHTML, CSS, JavaScript, and PHP syntax checker, HTML validator, XHTML validator, accessibility checker, and link checker for Microsoft Windows. A free edition is also available.

Dev Shed Forums - over 358,810 members on our Dev Shed forums.

HTML XHTML CSS JavaScript XML XSL ASP SQL ADO VBScript Tutorials References Examples

Web development tutorials, examples, exercises, quizzes, reference and much more for various languages including HTML, XML, CSS, Javascript, and PHP

At Regular-Expressions.info you will find a wide range of in-depth information about a powerful search pattern language called regular expressions.

Resources from the authors, creators, innovators, & leaders of technology - home to leading publishers Addison-Wesley Professional, Prentice Hall Professional, & Sams.

Bluffton University

Verify and validate email addresses, check domain name availability, and more using ActiveX / COM / .NET components for DNS, ICMP, HTTP, Whois, Finger, Ping, Traceroute, and NsLookup. Compatible with Visual Basic (VB), ASP, Cold Fusion, Delphi, C++, ...