[GLLUG] Grep question

John Levin technolalia at gmail.com
Thu Oct 27 22:33:14 UTC 2022

Dear list,

Thanks very much to all who answered this query; it seems obvious when 
one knows the answer, but I was fixated on the stop, and not the dash.


On 27/10/2022 19:06, Philip Hands wrote:
> John Levin via GLLUG <gllug at mailman.lug.org.uk> writes:
> ...
>> Is there something about the order of characters in regex square
>> brackets? Does the stop have a special meaning when given first?
> The place to find the answer is in the regex(7) manpage:
>    https://manpages.debian.org/testing/manpages/regex.7.en.html
> in which you'll find this sentence regarding bracket expressions:
>    To include a literal '-', make it the first or last character,
>    or the second endpoint of a range.
>    (there's also more there about how to start a range with a `-`)
> Cheers, Phil.

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