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 ...

You can do a lot more with regular expressions than you think. In this tutorial, you'll use it to convert a movie list into a CSV file for use in Excel. In Part 1 and Part 2 in this series about ...

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.

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 ...

A regex construct, specified as a backslash character () followed by a digit character denoting a capturing group number, that recalls a capturing group’s captured text characters.