[clug] Circumflex
Bryan Kilgallin (iiNet)
kilgallin at iinet.net.au
Sun Aug 20 07:33:44 UTC 2017
Thanks, Eyal:
> I think that the '\d' notation is a Perl extension, so try
> grep -P ^\d'
I was confused among versions of regular expressions! Discovering by
trial and error. So to search for `-' I had to escape it with `\'.
What Web resource explains standard, extended, and Perl variants?
> Note that 'egrep' is short for 'grep -E' (extended regex) and you cannot
> use '-E' and '-P'
> together as they have conflicting rules.
Grep highlighted searched characters--while egrep did not.
--
www.netspeed.com.au/bryan/
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