How to match 47 characters in a string with Emacs Lisp?

August 22, 2023

(setq
 link
 "[[abbrv:assets/archive/2023-08-09_9c6b04b4-0076-44d0-a241-063a2d899544_2023-08-22T17:43:44+0200.html]]")

(progn
  (string-match "archive/\\(.\\{47\\}\\)" link)
  (match-string 1 link))

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