I released perl 5.13.10 today. I might write more about that later. But one significant change in it is that Perl now has many more regex flags.
Now it just gives you one word that contains as many of the flags as possible, and gives you the remainder. What would be more interesting would be to detect cases where multiple valid words can be made from the flags. E.g. "mix" and "uploads". It just detected that by accident.
I leave that as an exercise for the reader.