With all the talk of programs lately, I thought it prudent to direct your attention to an article entitled: Avoid bad form data with a little CGI validation code by Nigel McFarlane over at Builder.com, who asserts:
Form validation is one of the essentials when you’re building a Web form front end. Besides preventing bogus information, validation also helps secure your Web server from a nefarious end user trying to crash your Web site. If you employ CGI Perl to check the data, consider this systematic approach that uses regular expressions to do the testing dirty work.
Please take time to read the rest of this article. Lets face it, there are some scrypt kyddies out there who’d love to do on thing more than deface your church web site.