Some say a set of regular expressions comprises a domain-specific language, or DSL; essentially, a mini-programming language. A full-blown programming language like Java or Python can do many things, ...

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 ...

How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs. Regular expressions, or “regex,” is a system for finding complex ...

The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...

A more general solution is to use RegEx (regular expressions) to define a pattern that meets your desired requirements. Regular expressions are as complicated as they are powerful. They can be very ...

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 ...

There are two types of people in the world: those who have no idea what a regular expression is, and those who not only know what they are but can compose them on the fly and tend to use them in ...

Regex is a powerful – yet overlooked – tool in search and data analysis. With just a single line, you can automate what would otherwise take dozens of lines of code. Short for “regular expression,” ...

“Please say it wasn’t a regex, please say it wasn’t a regex; aww, crap, it was a regex!” That seems to be the conclusion now that Crowdstrike has released a full root-cause analysis of its ...

Google announced a couple improvements to the Google Search Console performance reports this morning. The improvements include support for regular expressions within the filters of the performance ...