Re: SELECT substring with regex - Mailing list pgsql-sql

From Rodrigo De Leon
Subject Re: SELECT substring with regex
Date
Msg-id a55915760607071824k65a09b3ahd52b16bdd59108b8@mail.gmail.com
Whole thread Raw
In response to Re: SELECT substring with regex  (T E Schmitz <mailreg@numerixtechnology.de>)
Responses Re: SELECT substring with regex  (T E Schmitz <mailreg@numerixtechnology.de>)
List pgsql-sql
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


pgsql-sql by date:

Previous
From: "Aaron Bono"
Date:
Subject: Re: SELECT substring with regex
Next
From: Michael Glaesemann
Date:
Subject: Re: Atomar SQL Statement