How to determine encoding?

Question

Character encoding

Once again: this is an excerpt from the lua code, which used some kind of encoding. It works fine.
When viewed in sublime, these characters are stupidly absent:

When viewed in a hex editor:

The text itself from the hex editor:

п»ївЃ¬вЂ.вЃ¬вЃ.​‎‬.‪‎‌вЂ.‬ = {}

ansi:

‭​‎‬.‪‎‌‭‬ = {}

There is also such a test from another hex editor, but it is not copied at all to paste here:

Answer 1

The author opened either /dev/urandom or pagefile.sys in the editor