Re: find and replace the string within a column

From: Leif Biberg Kristensen <leif(at)solumslekt(dot)org>
To: pgsql-sql(at)postgresql(dot)org
Subject: Re: find and replace the string within a column
Date: 2010-09-24 14:39:07
Message-ID: 201009241639.07557.leif@solumslekt.org
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On Friday 24. September 2010 13.34.12 Craig Ringer wrote:
> On 24/09/2010 5:15 PM, Nicholas I wrote:
>
> > Example:
> > table name person:
> >
> > name
> > ------------------------------------
> > Samuel (S/o Sebastin )
> > -------------------------------------
> >
> > remove the word within the brackets.
> > the output should be , Samuel.
>
> Can't you just regexp_replace, matching \([^)]+\) (in other words "an
> open parenthisis, then a sequence of one or more of any character other
> than a close parenthesis, followed by a close parentheis) and replacing
> with an empty string ?

I'm doing a similar task, removing comments "hidden" within curly braces like
this:

str := REGEXP_REPLACE(str, '{.*?}', '', 'g');

No escaping needed at all.

regards,
Leif Biberg Kristensen

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