| From: | Oliver Elphick <olly(at)lfix(dot)co(dot)uk> |
|---|---|
| To: | Theo Galanakis <Theo(dot)Galanakis(at)lonelyplanet(dot)com(dot)au> |
| Cc: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Isnumeric function? |
| Date: | 2004-09-07 06:05:26 |
| Message-ID: | 1094537126.6360.279.camel@linda |
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| Thread: | |
| Lists: | pgsql-sql |
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(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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shall be saved." Romans 10:13
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