[hoytech]

You can also factor integers with Regexp::Exhaustive:

https://metacpan.org/pod/Regexp::Exhaustive#Finding-all-divi...

And if you're in Toronto in 3 weeks time, come see Abigail (the original inventor of the prime number regexp) solve the N-Queens problem with regexp:

https://tprc2023.sched.com/event/1LhoB/the-n-queens-problem-...

[jimhefferon]

Thank you for crediting Abigail.