I am trying to isolate only the MAC addresses that appear in
For anyone who is interested, the sed construct that should do
this looks like:
sed 's/.*\([[ your regular expression ]]\).*/\1/'
The \1 tells sed to only print what matched and skip all the rest.
I am doing something wrong with the regular expression
that is supposed to recognise a MAC address. MAC addresses look
like 5 pairs of hex digits followed by :'s and then a 6TH pair
to end the string.
I have tried:
Sorry. It won't all fit on a line, but there should be a string
of 5 pairs and the : and then the 6TH pair followed by the
closing ] so the expression ends with ]]
One should also be able to put:
Any ideas as to what else I can try?
What happens is I get single characters per line that look like
the first or maybe the last character in that line, but
certainly nothing useful or nothing that remotely looks like a
Any ideas as to what's wrong with the regular
Martin McCormick WB5AGZ Stillwater, OK
OSU Information Technology Department Telecommunications Services Group
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