This is a tutorial on how to implement a programming language. If you ever wrote an interpreter or a compiler, then there is probably nothing new for you here. But, if you're using regexps to “parse” anything that looks like a programming language, then please read at least the section on parsing. Let's write less buggy code!

The ToC on the right is in “simple-to-advanced” order. I'd recommend you not to skip forward, unless you know the subject well. You can always refer back if you don't understand something. Also, questions and feedback are very much appreciated!

The target audience is the average JavaScript / NodeJS programmer.

Link - http://lisperator.net/pltut/