How to properly make a CNC rewrite rule for nginx?

Question

Nginx

the essence of the task - cnc.
not enough brains, help!!
incoming address string /qwe/vdf/39dff/34
to be divided into 2 groups of values
​​mode = qwe/vdf/39dff
id = 34
rewrite ^/(([a-z0-9~_-]+/)+)([ 0-9]+/?)$ /index.php?mode=$1&id=$3 last;
how to make a regular

Answer 1

probably:
https://regex101.com/r/hinjdv/2