Re: delete all whitespace (space) in a region

[tpeplt]

Manuel Giraud via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:
>
> If you don't want to confirm for the replacements, you could instead do
> this:
>
> (defun my-delete-all-whitespace-region (beg end)
>   (interactive "r")
>   (save-excursion
>     (goto-char beg)
>     (while (re-search-forward " " end t)
>       (replace-match ""))))

Emacs 28 added the function ‘replace-string-in-region’.

(defun my-delete-all-whitespace-region (beg end)
  (interactive "r")
  (save-excursion
    (replace-string-in-region " " "" beg end)))

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