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From: Tena Sakai <tsakai@gallo.ucsf.edu>
To: Dirk Jagdmann <jagdmann@gmail.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: pgsql-sql@postgresql.org <pgsql-sql@postgresql.org>
Subject: Re: please help me on regular expression
Date: Wed, 3 Feb 2010 12:32:11 -0800
Message-ID: <C78F1F2A.921D%tsakai@gallo.ucsf.edu> (raw)
In-Reply-To: <5d0f60991002031143t404064e6m597dd0eb187cbf62@mail.gmail.com>

Thank you, Dirk.

Regards,

Tena Sakai
tsakai@gallo.ucsf.edu


On 2/3/10 11:43 AM, "Dirk Jagdmann" <jagdmann@gmail.com> wrote:

> Be careful when working with backslashes and regular expressions for
> the proper (double) escaping!
> 
> # select '70a5' ~ e'\\d+\.\\d+';
>  ?column?
> ----------
>  t
> (1 row)
> 
> # select '70a5' ~ e'\\d+\\.\\d+';
>  ?column?
> ----------
>  f
> (1 row)
> 
> # select '70.5' ~ e'\\d+\\.\\d+';
>  ?column?
> ----------
>  t

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