Find patterns in files using extended regular expression (supports
?
,+
,{}
,()
, and|
). More information: https://manned.org/egrep.
egrep "{{search_pattern}}" {{path/to/file}}
egrep "{{search_pattern}}" {{path/to/file1 path/to/file2 ...}}
stdin
for a pattern:cat {{path/to/file}} | egrep {{search_pattern}}
egrep --with-filename --line-number "{{search_pattern}}" {{path/to/file}}
egrep --recursive --binary-files={{without-match}} "{{search_pattern}}" {{path/to/directory}}
egrep --invert-match "{{search_pattern}}" {{path/to/file}}