30 June 2008 | 123 comments | reference, regex, regexp, expression, cheatsheet, sheet, regular, development
The second version of the Regular Expressions Cheat Sheet, a quick reference guide for regular expressions, including symbols, ranges, grouping, assertions and some sample patterns to get you started.
14 September 2006 | 172 comments | code, howto, cheatsheet, development, regex, regexp, expressions, reference, programming, tips, regular
Regular Expressions are very powerful, and many people find their unusual syntax hard to get to grips with. This A4 reference serves as a guide to regular expression patterns and options.
A tool to help automatically fix most common (X)HTML errors before outputting a page to the user.
1 June 2004 | 203 comments | code, development, email, php, programming, regex, regexp, security, tutorial, validation, webdesign
How to validate email addresses according to ISO standards with PHP.