Re: regular expression question

From: Alvaro Herrera <alvherre(at)atentus(dot)com>
To: Parker Thompson <parkert(at)u(dot)washington(dot)edu>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: regular expression question
Date: 2002-06-18 01:00:06
Message-ID: Pine.LNX.4.44.0206172033100.2893-100000@cm-lcon-46-187.cm.vtr.net
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Parker Thompson dijo:

> I have a question regarding regular expression with postgres.
>
> I am unable to find any reference to match on word boundaries (\b in
> perl). If this functionality exists in postgres I am interested in
> knowing how to use it, an example would probably suffice.
>
> If it does not, which is what I suspect, I am interested in knowing how
> others have dealt with this problem. It seems silly/ineffecient to just
> try all cases, i.e. field ~* (^term| term | term$), but I can't think of a
> better way.

You can use [[:<:]] and [[:>:]] as word boundaries.

--
Alvaro Herrera (<alvherre[a]atentus.com>)
"La vida es para el que se aventura"

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