Function: org-duration-p
org-duration-p is an autoloaded and byte-compiled function defined in
org-duration.el.gz.
Signature
(org-duration-p S)
Documentation
Non-nil when string S is a time duration.
Source Code
;; Defined in /usr/src/emacs/lisp/org/org-duration.el.gz
;;;###autoload
(defun org-duration-p (s)
"Non-nil when string S is a time duration."
(and (stringp s)
(or (string-match-p org-duration--full-re s)
(string-match-p org-duration--mixed-re s)
(string-match-p org-duration--h:mm-re s))))