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Re:Perl Incompatible Regular Expressions by brudgers on Saturday September 12, 2015 @10:45PM (#10210176)
If you're interested in regular expressions and their place in automata, Jeff Ullman's Automata course starts today on Coursera: https://www.coursera.org/course/automata

The recent HN discussion of its announcement is here: https://news.ycombinator.com/item?id=10089092

Ullman is also coauthor of "The Dragon Book".

Re:Perl Incompatible Regular Expressions by rdc12 on Sunday September 13, 2015 @02:14AM (#10210518)
Thanks for the reminder, thought it was still a few weeks away.