This looks incredibly powerful and cool.. but also like the kind of thing that may be a bit too niche or experimental for me to learn after just 2 years of the occasional casual Bash scripting and 4 weeks of having used zsh as my terminal.
I am trying to resist
Looks very elegant! I'm having trouble understanding how this finds digit "words" from the end of the line though, as they should be spelled backwards IIRC? I.e.
eno
,owt
,eerht