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 ...

Regular expressions come in handy for all varieties of text processing, but are often misunderstood--even by veteran developers. Here's a look at intermediate-level regular expressions and what they ...

Regular expressions give Tim Patrick the creeps, but he overcame his fears by discovering specially crafted regex patterns can access data in a way that’s actually kind of cool. I've always been ...

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, ...

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.

Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the ...

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 ...

You know the maxim, “Give a man to fish and he eats for a day; teach a man to fish and he eats for a lifetime”? A similar adage applies to anyone who spends a lot of time working with text on their ...