How to separate columns after removing special character and alphabet in R?

Question

I have data.table like this

Industry explnation
Residential care facilities, without nursing 6232, 6233, 6239
NA
** Mail order,..? houses 454,4533,42
****Department, stores and discount stores 45211

question from:https://stackoverflow.com/questions/65920770/how-to-separate-columns-after-removing-special-character-and-alphabet-in-r

Answer 1

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