For Lisp I would recommend Edi Weitz's CL-PPCRE: https://edicl.github.io/cl-ppcre/ https://edicl.github.io/cl-ppcre/ Pretty much anything else from Edi Weitz i

For Lisp I would recommend Edi Weitz's CL-PPCRE: https://edicl.github.io/cl-ppcre/ https://edicl.github.io/cl-ppcre/ Pretty much anything else from Edi Weitz is also great. Mezzano is quite elegant in my opinion, especially for an operating system. For example, this is the USB mass storage driver: https://github.com/froggey/Mezzano/blob/master/drivers/usb/mass-storage.lisp https://github.com/froggey/Mezzano/blob/master/drivers/usb/m...