patch 8.2.4478: crash when using fuzzy completion Commit: https://github.com/vim/vim/commit/00333cb3b341499df8729b9345f0bbad968cda0b Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Sat Feb 26 16:05:08 2022 +0000 patch 8.2.4478: crash when using fuzzy completion Problem: Crash when using fuzzy completion. Solution: Temporary fix: put back regexp. (closes https://github.com/vim/vim/issues/9852, closes https://github.com/vim/vim/issues/9851)