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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.unix.shell,comp.unix.programmer,comp.lang.misc
Subject: Re: Command Languages Versus Programming Languages
Date: Thu, 21 Nov 2024 22:05:13 -0000 (UTC)
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On Thu, 21 Nov 2024 08:15:41 -0000 (UTC), Muttley wrote:

> On Wed, 20 Nov 2024 21:43:41 -0000 (UTC)
> Lawrence D'Oliveiro <ldo@nz.invalid> boring babbled:
>
>>On Wed, 20 Nov 2024 12:27:54 -0000 (UTC), Muttley wrote:
>>
>>> Edge cases are regex achilles heal, eg an expression that only
>>> accounted for 1 -> N chars, not 0 -> N, or matches in the middle but
>>> not at the ends.
>>
>>That’s what “^” and “$” are for.
> 
> Yes, but people forget about those (literal) edge cases.

Those of us who are accustomed to using regexes do not.

Another handy one is “\b” for word boundaries.