It’s weird that I’m a fan of Pokemon but I don’t have any entry about it in this blog. So here goes the first entry.
The following regex expression scores precisely one match in the set of all 649 names of Pokemon. (Hopefully; at least it scores precisely one match among all Pokemon names I remember.) What is it? (Case insensitive.)
(j|q|x|z).+\1
Chaos at the Sky 