multi-isearch-buffers-regexp
multi-isearch-buffers-regexp is an interactive autoloaded compiled Lisp function in `misearch.el
'.
(multi-isearch-buffers-regexp BUFFERS)
Start multi-buffer regexp Isearch on a list of BUFFERS.
This list can contain live buffers or their names.
Interactively read buffer names to search, one by one, ended with RET.
With a prefix argument, ask for a regexp, and search in buffers
whose names match the specified regexp.