From: Oliver Elphick <olly@lfix.co.uk>
To: Theo Galanakis <Theo.Galanakis@lonelyplanet.com.au>
Cc: pgsql-sql@postgresql.org
Subject: Re: Isnumeric function?
Date: Tue, 07 Sep 2004 07:05:26 +0100
Message-ID: <1094537126.6360.279.camel@linda> (raw)
In-Reply-To: <82E30406384FFB44AFD1012BAB230B55037D056E@shiva.au.lpint.net>
References: <82E30406384FFB44AFD1012BAB230B55037D056E@shiva.au.lpint.net>
On Tue, 2004-09-07 at 06:44, Theo Galanakis wrote:
> How could you determine if a value being inserted into a varchar
> column is numeric?
>
> I was thinking of using a Regular expression to find this, something
> like
>
> .. Where content ~* '^[0-9]{1,10}'
~ '^[0-9]+$'
Your version only checks the beginning of the string.
> There must be an easier way like a isNumeric() function?
Not that I know of.
--
Oliver Elphick olly@lfix.co.uk
Isle of Wight http://www.lfix.co.uk/oliver
GPG: 1024D/A54310EA 92C8 39E7 280E 3631 3F0E 1EC0 5664 7A2F A543 10EA
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To: pgsql-sql@postgresql.org
Cc: olly@lfix.co.uk, Theo.Galanakis@lonelyplanet.com.au
Subject: Re: Isnumeric function?
In-Reply-To: <1094537126.6360.279.camel@linda>
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