On Wed, Jul 22, 2009 at 05:26:37PM +0800, Phoenix Kiula wrote:
> I tried this. Get an error.
>
> mypg=# select * from interesting WHERE NOT description ~ ( '^('||
> mypg(# $$[\09\0A\0D\x20-\x7E]|$$|| -- ASCII
> mypg(# $$[\xC2-\xDF][\x80-\xBF]|$$|| -- non-overlong 2-byte
> mypg(# $$\xE0[\xA0-\xBF][\x80-\xBF]|$$|| -- excluding overlongs
> mypg(# $$[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}|$$|| -- straight 3-byte
> mypg(# $$\xED[\x80-\x9F][\x80-\xBF]|$$|| -- excluding surrogates
> mypg(# $$\xF0[\x90-\xBF][\x80-\xBF]{2}|$$|| -- planes 1-3
> mypg(# $$[\xF1-\xF3][\x80-\xBF]{3}|$$|| -- planes 4-15
> mypg(# $$\xF4[\x80-\x8F][\x80-\xBF]{2}$$|| -- plane 16
> mypg(# '*)$' )
doh, I put the * in the wrong place! that last line should be:
')*$' )
at least that's what looks strange to me now--not sure how it got moved
though!
--
Sam http://samason.me.uk/
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