From: Rodrigo De Leon <rdeleonp@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: SELECT substring with regex
Date: Fri, 7 Jul 2006 20:24:07 -0500
Message-ID: <a55915760607071824k65a09b3ahd52b16bdd59108b8@mail.gmail.com> (raw)
In-Reply-To: <44AEB4C6.9000903@numerixtechnology.de>
References: <44AE66E0.1040606@numerixtechnology.de>
<200607071659.14940.gary.stainburn@ringways.co.uk>
<44AE9B4F.1020401@numerixtechnology.de>
<a55915760607071137q2c70346cp5b30cac14beaf1e7@mail.gmail.com>
<44AEB4C6.9000903@numerixtechnology.de>
On 7/7/06, T E Schmitz <mailreg@numerixtechnology.de> wrote:
> Sorry, but that would also capture something like
> 10-30-59mm
>
> The pattern describes either a single length (120 millimeters) or a
> range (30 to 70 millimetres), hence:
>
> \\d+(-\\d+)?mm
>
> The ? quantifier refers to the combination of '-' and digits and has to
> be bracketed.
>
> ...
>
> Still, I'd be interested to know whether there is a 'more elegant' solution.
OK, last try using regex:
SELECT
NAME
, substring(NAME, '^(\\d+(-\\d+)?mm)') AS BASE_NAME
, regexp_replace(NAME, '^\\d+(-\\d+)?mm (.*)', '\\2') AS SUFFIX
FROM MODEL
Regards,
Rodrigo
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To: pgsql-sql@postgresql.org
Cc: rdeleonp@gmail.com
Subject: Re: SELECT substring with regex
In-Reply-To: <a55915760607071824k65a09b3ahd52b16bdd59108b8@mail.gmail.com>
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