This is the first part of a series of articles about regular expressions in Vim. Here’s the complete table of content: Regular expressions in vim The Basics of Vim Regular Expressions Vim Regular Expressions in Depth “We should never write regular expressions. They are difficult to learn, understand, and maintain. They can spiral in a wormhole of quantum complexity. We should burn them to the ground!” That was Dave, your colleague developer, patronizing you for using a simple regex to parse an HTML file.