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 ...

I'm trying to write a regular expression that will search through a collection of html text, searching for special tags denoted with square brackets:<BR><BR><pre ...

Let’s say we need a JavaScript function that will take a string of tagged text (that is, it contains Extensible Markup Language (XML) markup) and return only the tags (and not the text that the tags ...

In the Star Wars universe, not everyone uses a lightsaber, and those who do wield them had to build them themselves. There’s something to be said about that strategy. Building a car or a radio is a ...

I need a regular expression that replaces one of the key/value pairs in a query string. There is no gaurantee where the targeted key/value may lie within the query string. There is a possibility of ...

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,” ...

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 ...

[Nicholas Carlini] found some extra time on his hands over the holiday, so he decide to do something with “entirely no purpose.” The result: 84,688 regular expressions that can play chess using a ...