Re: Regular expression to UPPER() a lower case string

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От Gianni Ceccarelli
Тема Re: Regular expression to UPPER() a lower case string
Дата
Msg-id 20221210104141.35498bc4@thenautilus.net
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Ответ на Regular expression to UPPER() a lower case string  (Eagna <eagna@protonmail.com>)
Ответы Re: Regular expression to UPPER() a lower case string  (Eagna <eagna@protonmail.com>)
Re: Regular expression to UPPER() a lower case string  ("Peter J. Holzer" <hjp-pgsql@hjp.at>)
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On 2022-12-10 Eagna <eagna@protonmail.com> wrote:
> This should be very (very) easy - I don't know what I'm missing -
> I've done quite complex regular expressions before and I don't know
> what I'm doing wrong. Brain burping this morning!

You're missing that:

* `regexp_replace` doesn't work like that, at all
* your logic only works by accident for some languages (try to upcase
  a `ß` or a `ı`)

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