| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | Harald Fuchs <hf0614x(at)protecting(dot)net>, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: POSIX Regular Expression question |
| Date: | 2005-09-05 17:31:44 |
| Message-ID: | 1897.1125941504@sss.pgh.pa.us |
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| Lists: | pgsql-sql |
Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> Am Montag, 5. September 2005 17:40 schrieb Harald Fuchs:
>> I dunno the details of the supported encodings, but is there
>> any encoding where 'a-z' includes more or less than 26 letters?
> Well, it seems that our regexp library interprets [a-z] as exactly 26 letters,
> but that seems to be a lack of locale support rather than a feature.
ISTM that the notation should properly mean "every character that sorts
between a and z inclusive". So it's sort order dependent and thus
locale dependent --- or at least should be. The locale support in our
regexp code is definitely pretty weak at the moment.
regards, tom lane
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