How do you find out if a user has entered a valid email address? Do you check for an at-sign, or is it more complicated? For many developers the answer is a regular expression, a little bit of code ...

I was involved in a recent discussion on the "best" way to remove a given parameter from a URL string. The conversation began with using string primitives to split and join the parameter, a method ...

If you’ve programmed in Perl or any other language with built-in regular-expression capabilities, then you probably know how much easier regular expressions make text processing and pattern matching.

Tony Northrup is a developer, security consultant and author with more than 10 years of professional experience developing applications for Microsoft Windows. Developers frequently need to process ...

Like riding a bike, knowledge of regular expressions will stay with you forever, allowing you to manipulate text quickly and easily. In this part of the series, Ondrej focuses in on groups, ...

Regular expressions are like power tools: They may look scary, but are easy to use once you understand their basic building blocks. Regular expressions -- those scary strings that might as well be ...

The first half of this tutorial introduced you to regular expressions and the Regex API. You learned about the Pattern class, then worked through examples demonstrating regex constructs, from basic ...

Mark Gibbs is very impressed with a service that generates code for regular expressions and he has found that Gmail now supports importing and exporting filters. His happiness knows no bounds. Before ...

If you consider yourself a good cook, you may or may not know how to make a souffle or baklava. But there are certain things you probably do know how to do that form the basis of many recipes. For ...