Regular expressions — the things you feed to programs like grep — are a bit like riding a bike. It seems impossible until you learn to do it, and then it’s easy. Part of their bad reputation is ...

In DDoS Protection, Gcore uses the bundle of XDP and regular expressions (regex). This article will explain why Gcore started using this solution (regex in XDP) and how they bound them via a ...

These are the formal rules for forming basic UNIX regular expressions. For some simple examples, skip to Simple Examples. The rules come from the Solaris 7 regexp(5) manual page. The I2A2 reflector ...

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 ...

Granted, that single line RegEx looks like a random garble of characters at first glance. In reality, it is a carefully constructed set of rules to dictate a pattern match on a string. As a primer, ...