grep or less for MAC address using regex Link to heading
Easy enough:
grep -i ‘\([0-9A-F]\{2\}[:-]\)\{5\}\([0-9A-F]\{2\}\)’ file.txt
Or less
less file
/([0-9A-F]{2}[:-]){5}([0-9A-F]{2})
Easy enough:
grep -i ‘\([0-9A-F]\{2\}[:-]\)\{5\}\([0-9A-F]\{2\}\)’ file.txt
Or less
less file
/([0-9A-F]{2}[:-]){5}([0-9A-F]{2})