the only way I have found is to replace via Sear and Replace dialog, search for your chosen char, replace by ' ', check regex and choose selected text only ;-) to be sure you might check the confirm each.
-- Vany (PSPad 5.0.7 (681) x32, W10h/p x64 en/cs) <https://forum.pspad.com/read.php?2,76456,76524> PSPad freeware editor https://www.pspad.com
