Re:Vim's 25th anniversary and the release of Vim 8
by kps on Thursday February 09, 2017 @11:49PM
(#13613297)
Good guess, but no. The ADM-3A dates to 1976, but the regular expression syntax is definitely earlier: https://www.bell-labs.com/usr/dmr/www/qedman.html
Is that also the origin of '^' being start of line in a regex?