Re: Regular expression problem

From: Jeff Eckermann <jeff_eckermann(at)yahoo(dot)com>
To: "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>
Cc: Matias Surdi <matiass(at)interlap(dot)com(dot)ar>, pgsql-sql(at)postgresql(dot)org
Subject: Re: Regular expression problem
Date: 2003-10-24 18:43:20
Message-ID: 20031024184320.45589.qmail@web20802.mail.yahoo.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql

7.4 uses a completely new regex engine, so comparisons
with that will not be valid anyway.
Pre-7.4 regex behaviour is all documented:
Users Guide -> Functions & Operators -> Pattern
Matching

--- "scott.marlowe" <scott(dot)marlowe(at)ihs(dot)com> wrote:
> On 24 Oct 2003, Manuel Sugawara wrote:
>
> > Matias Surdi <matiass(at)interlap(dot)com(dot)ar> writes:
> >
> > > Manuel Sugawara wrote:
> > > >Use something like '^[a-z]{2}$'
> > >
> > > so, is this a bug????
> >
> > No it is not. The sintax you are using is not
> supported.
>
> It certainly seems to work in Postgresql 7.4 beta 4:
>
> create table test2 (info text);
> CREATE TABLE
> insert into test2 values ('ab');
> INSERT 109169538 1
> insert into test2 values ('abc');
> INSERT 109169539 1
>
> marl8412=# select * from test2 where info ~
> '^[a-z]{2}$';
> info
> ------
> ab
>
> Or was there more to that message I wasn't getting?
>
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 2: you can get off all lists at once with the
> unregister command
> (send "unregister YourEmailAddressHere" to
majordomo(at)postgresql(dot)org)

__________________________________
Do you Yahoo!?
The New Yahoo! Shopping - with improved product search
http://shopping.yahoo.com

In response to

Browse pgsql-sql by date

  From Date Subject
Next Message David B 2003-10-24 23:19:42 Referring to derived column name in a RECORD
Previous Message Manuel Sugawara 2003-10-24 18:16:54 Re: Regular expression problem