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 ...

It’s the best time of year to pick up all the tents, stoves, sleeping bags, and gear you’ll need for summer fun. The 24 Best Memorial Day Mattress Deals (and Bedding, Too!) for 2025 The year's best ...

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 ...