What is regex: A sequence of characters defining a search pattern, used for matching, replacing, or validating text across programming languages and tools. Why it matters: Regex simplifies complex ...

Regex (very incomplete) implementation in pure Python. Only intended to illustrate the related concepts in a simple way, hopefully. As part of what I call the "How it's made - Software edition" ...

“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 ...

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 ...

In this 60 minute tutorial I will explain how to use named capture regular expressions to extract data from several different kinds structured text data. For additional reading see my R journal ...

In this lesson, you’ll learn how to use RegEx (regular expressions) to work with sets of characters. Unlike the ., which matches any single character , sets enable you to match specific characters and ...