[[A woman sits at a laptop, leaning back over her chair to address a figure.]]
Regex golf: 
Woman: You try to matchone one group but not the other. 
M | [TN]|B
 matches Star Wars subtitles but not Star Trek. 
Figure: Cool. 

[[We zoom to just show the woman, looking at her screen.]]
Meta-regex golf: 
Woman: So I wrote a program that plays regex golf with arbitrary lists...
Figure: Uh oh...

[[We zoom back out. The figure is facepalming. The woman is typing.]]
Meta-meta-regex golf: 
Woman: ...but I lost my code, so I'm grepping for files that look like regex golf solvers. 

[[We zoom back in.]]
... And beyond:
Woman: Really, this is all 
(meta-)*regex golf
.
Figure: Now you have infinite problems. 
Woman: No, I had those already. 

{{Title 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.}}