in reply to Re^3: Insert colons into a MAC address
in thread Insert colons into a MAC address
Old Perl Version ...
Indeed. The \K special escape was introduced with 5.10. The following works pre-5.10, but we're back to a look-back. Oh, well...
>perl -wMstrict -le "print $]; my $ma = '525400eb8b36'; $ma =~ s{ (?<= \G ..) \B }{:}xmsg; print qq{'$ma'}; " 5.008009 '52:54:00:eb:8b:36'
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