Elisp: How to delete an element from an association list with string key

Question

Now this works just fine:

(setq al \'((a . \"1\") (b . \"2\")))
(assq-delete-all \'a al)

But I\'m using strings as keys in my app:

Answer 1

If using emacs 25 or newer you can use alist-get

(setf (alist-get "a" al t t 'equal) t)