I think it’s worth noting that the original author of the regex primality test is Abigail, a well known Perl hacker. https://www.masteringperl.org/2013/06/how-

I think it’s worth noting that the original author of the regex primality test is Abigail, a well known Perl hacker. https://www.masteringperl.org/2013/06/how-abigails-prime-number-checker-works/ https://www.masteringperl.org/2013/06/how-abigails-prime-num... This blog article does a nice job discussing Abigail’s work.