[GLLUG] Grep question
Andy Beverley
andy at andybev.com
Thu Oct 27 14:29:32 UTC 2022
On 27/10/2022 15:02, John Levin via GLLUG wrote:
> johnl at Hasek:~/github/statutes$ grep ' [-—. ]\{3,\}$' W*/mon*.txt
> and every of them are and is hereby obliged to accept, re- ...
> 'fliqitors autj licences, — Aorb’s -----
> IPfipficians, -----
> II — -- — -.... - -- - - - —
> shall be ~ - - —
>
> Is there something about the order of characters in regex square
> brackets? Does the stop have a special meaning when given first?
I think it's the hyphen, which if I recall correctly has a special
meaning if anywhere other than the beginning of the character class
(certainly I am always in the habit of always putting hyphens at the
beginning of character classes, if that's what I want to match).
Andy
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