Grep

grep is a command for searching plain text data sets for lines that match a regular expression.

See also

• ack ag
• agrep
• ngrep, pgrep
• awk and strings
• include Cisco IOS command
• match PAN-OS command
• Select-String or sls in Powershell

http://man7.org/linux/man-pages/man1/grep.1p.html