The reason that this library is useful is because I don't have to maintain an AST in my own feeble mind about what each special character in the regex means. I

The reason that this library is useful is because I don't have to maintain an AST in my own feeble mind about what each special character in the regex means. I can look at the code, at first glance, and immediately know what the hell is going on. Also, this. https://xkcd.com/208/ https://xkcd.com/208/