Mark McLoughlin wrote:
> I've tried looking for the manual with the good explanation on this
> that I found a while back - but I can't find it.... :(
Is man 7 regex what you were looking for?
This specifies what POSIX 1003.2 (awk & egrep) regular expressions are
defined as , and also describes the main differences between them and
"obsolete" regexps used in sed, vi, grep and so on.
> Good Luck,
> Mark
Cheers,
Dave.
--
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