[LINK] Off topic: I have just come across something remarkably cute...

[Antony Barry]

Linkers

When I set the Link list up 30 years ago it rapidly became full of nerds
who would no doubt be able to recognise and parse this expression in a
twinkling of an eye and identify what it does -

                ^.?$|^(..+?)\1+$

I asked Perplexity AI and in two seconds got a two-page detailed
explanation. I asked Google and got a number of accurate hits.

I conclude that the expression is well-known.

OK guys,  who is the Greek mathematician who is reputed to have invented
the algorithm this expresses?

Tony

-- 
Mob:04 3365 2400 Email: antonybbarry at gmail.com, antonybbarry at me.com