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From: Chapman Flack <jcflack@acm.org>
To: Robert Haas <robertmhaas@gmail.com>
To: David G. Johnston <david.g.johnston@gmail.com>
Cc: jian he <jian.universality@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Eisentraut <peter@eisentraut.org>
Cc: Dian Fay <di@nmfay.com>
Cc: Jim Nasby <jim.nasby@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: add function argument names to regex* functions.
Date: Wed, 15 May 2024 15:22:59 -0400
Message-ID: <66450B93.2070904@acm.org> (raw)
In-Reply-To: <CA+Tgmoa7tLgrP1bmeWFJFzVeaAYwi6hcSrsjnpQWLcz83SrWSA@mail.gmail.com>
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	<CA+Tgmoa7tLgrP1bmeWFJFzVeaAYwi6hcSrsjnpQWLcz83SrWSA@mail.gmail.com>

On 05/15/24 15:07, Robert Haas wrote:
> is. I believe that if I were reading the documentation, count would be
> clearer to me than N, N would probably still be clear enough, and
> replace_at wouldn't be clear at all. I'd expect replace_at to be a
> character position or something, not an occurrence count.

You've said the magic word. In the analogous (but XQuery-based)
ISO standard regex functions, the argument that does that is identified
with the keyword OCCURRENCE.

What would be wrong with that, for consistency's sake?

Regards,
-Chap





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