Version: 3.7.9
Web:
https://github.com/genivia/ugrep
Ugrep includes built-in help, for instance, ugrep --help regex will display detailed information about its support for regular expressions.
G
rep is one of the oldest Unix commands. In addition to fixed search terms, it can also search for patterns with wildcard characters. Virtually all Linux distros ship with the GNU variant of grep, which extends the features of the original grep in some places, most notably, allowing recursive searching in directories.