xkcd 1313: Regex Golf¶Peter Norvig January 2014 revised November 2015 I ♡ xkcd! It reliably provides top-rate insights, humor, or both. I was thrilled when I got to introduce Randall Monroe for a talk in 2007. But in xkcd #1313, I found that the hover text, "/bu|[rn]t|[coy]e|[mtg]a|j|iso|n[hl]|[ae]d|lev|sh|[lnd]i|[po]o|ls/ matches the last names of elected US presidents but not their opponents", c