This series of articles [1] by Russ Cox is also interesting for anyone interested in parsing regular expressions. [1] http://swtch.com/~rsc/regexp/regexp1.html

This series of articles [1] by Russ Cox is also interesting for anyone interested in parsing regular expressions. [1] http://swtch.com/~rsc/regexp/regexp1.html http://swtch.com/~rsc/regexp/regexp1.html See at the bottom of that articles for links to followups