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リージョンの文字列反転

Emacs

Posted at 2016-05-19

(defun replace-region-to-text (text beg end)
  (delete-region beg end)
  (insert text)
  )

(defun reverse-region-string (&optional beg end)
  (interactive "r")
  (replace-region-to-text (apply 'string
                                 (reverse
                                  (string-to-list
                                   (buffer-substring beg end))))
                          beg end))

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