| From: | Oliver Elphick <olly(at)lfix(dot)co(dot)uk> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | Theo Galanakis <Theo(dot)Galanakis(at)lonelyplanet(dot)com(dot)au>, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Isnumeric function? |
| Date: | 2004-09-08 17:20:17 |
| Message-ID: | 1094664017.2014.80.camel@linda |
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| Lists: | pgsql-sql |
On Wed, 2004-09-08 at 17:47, Josh Berkus wrote:
> Oliver, Theo:
>
> > ~ '^[0-9]+$'
>
> Actually, I usually do:
>
> ~ '^[0-9]+\.?[0-9]*$'
>
> ... to include decimals. However, the above assumes that there is at least a
> "0" before the decimal; it would be nice to adapt it to matching a leading
> decimal (i.e. .057 ) as well. Can't see any easy way, though ...
~ '^([0-9]+|[0-9]+\\.[0-9]*|[0-9]*\\.[0-9]+)$'
--
Oliver Elphick olly(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
GPG: 1024D/A54310EA 92C8 39E7 280E 3631 3F0E 1EC0 5664 7A2F A543 10EA
========================================
"Put on the whole armor of God, that ye may be able to
stand against the wiles of the devil."
Ephesians 6:11
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