in reply to Replace a Hex Value in Column

With which specific part of the task are you having problems? Please show your code as it stands. An SSCCE would be best.

Replies are listed 'Best First'.
Re^2: Replace a Hex Value in Column
by ktham33n (Novice) on Feb 03, 2018 at 08:02 UTC

    I think we will take it from choroba approach mine was quite different I started from here by snatching out the hex and got stuck there:

    perl -pe 's/([[:xdigit:]]{1,2}:){23}[[:xdigit:]]{1,2}/$HEX/g;' testing +.csv