emacs - Highlight regular expression in grep window -


i using grep.el package , wondering if there way have regular expression grepping on highlighted @ top of grep window. like:

grep [reg expr]   ;where [] highlighted ....results of grep....

or @ least @ title of window @ bottom like:

*grep* [reg exp]

based on correspondence @ help-gnu-emacs@gnu.org, don't need highlight regexp muchas need able recognize (see it).

for that, answer repeat command (e.g. grep or grep-find) , use m-p see previous input, including regexp used.

from correpondence seems using grep-find. in case, regexp part of full shell command entered, thing emacs saw (and remembers, , makes available via m-p).

if seeing regexp part of m-p shows not enough need take string difference between entered command , value of variable grep-find-command, template regexp entered. if changed nothing else template full command entered, difference between 2 regexp.


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