It is always nice to see code that is smaller and faster. Two times faster an 6 times smaller.

      Rate gam3  tye
gam3 243/s   -- -69%
tye  772/s 218%   --

The regex still had one bug: you need a \d in the backtrace to keep it from matching 2.11. on 2.1/1.

 
qr/((?<!\.)(\d+)\.\d+(?![\.\d])|\d+)/
[download]

I would never have thought of using s///g in place of my while loop.