Re: REGEXP_SUBSTR() is always NULL

From: ddf <oratune_at_msn.com>
Date: Thu, 25 Jun 2009 07:38:47 -0700 (PDT)
Message-ID: <4855b475-ffa1-4ae0-86eb-56680ac1b11e_at_v4g2000vba.googlegroups.com>



On Jun 25, 6:52 am, "Álvaro G. Vicario"
<alvaro.NOSPAMTH..._at_demogracia.com> wrote:
> ddf escribió:
>
> > On Jun 25, 6:29 am, "Álvaro G. Vicario"
> > <alvaro.NOSPAMTH..._at_demogracia.com> wrote:
> >> In an Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 server,
> >> REGEXP_SUBSTR() always returns NULL. E.g.:
>
> >> SELECT REGEXP_SUBSTR('1234,5678', '\d+', 1, 1)
> >> FROM DUAL
>
> >> In my local 10g XE, however, it returns 1234 as expected.
>
> >> Is it me or is it the server?
> > It may be the server if you are, indeed, comparing XE (10.2.0.1) to a
> > 10.1.0.2 release.  You're certain you've posted the version for the
> > Enterprise Edition correctly?
>
> Absolutely: SELECT BANNER FROM v$version + clipboard.
>
> If it was a legacy edition that did not support REGEXP_SUBSTR() I'd
> expect an error message.
>
> Is it possible to cancel, disabled or override REGEXP_SUBSTR?
>
> --
> --http://alvaro.es- Álvaro G. Vicario - Burgos, Spain
> -- Mi sitio sobre programación web:http://borrame.com
> -- Mi web de humor satinado:http://www.demogracia.com
> --

Things have changed between 10.1 and 10.2:

10;1 regular expression support --
http://download.oracle.com/docs/cd/B14117_01/server.101/b10759/ap_posix001.htm#i690819

10.2 regular expression support --
http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/ap_posix001.htm#i690819

These differences may result in the differences you're seeing.

David Fitzjarrell Received on Thu Jun 25 2009 - 09:38:47 CDT

Original text of this message