http://snippets.bentasker.i2p/posts/bash/extract-ip-addresses-with-grep.html
Skip to main content Private area snippets.bentasker.co.uk Search Tags BASH Python JS Misc Extract IP addresses with grep (BASH) Ben Tasker 2017-10-05 09:33 Category: BASH Simple grep patterns to extract ip addresses Details Language: BASH Snippet # IPv4 grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' # IPv6 grep -o -P "([A-Fa-f0-9]{1,4}::?)