How to use grep with any whitespace chars including newline?

$ grep -z "k\s\+bank"


https://stackoverflow.com/questions/38009374/grep-any-whitespace-character-including-newline-in-single-pattern


-

How to delete a buffer in vim without losing the split window

https://stackoverflow.com/questions/4465095/how-to-delete-a-buffer-in-vim-without-losing-the-split-window