In response to Nicholas I :
> Hi,
>
> Need a help in regexp!
>
> I have a table in which the data's are entered like,
>
> Example:
>
> One (1)
> Two (2)
> Three (3)
>
> I want to extract the data which is only within the parentheses.
>
> that is
> 1
> 2
> 3
>
> i have written a query,
> select regexp_matches(name,'([^(]+)([)]+)','g') from table;
> which outputs the data as,
> {"test"}
> {"test2"}
>
>
> Thank You
> Nicholas I
test=*# select * from regex ; t
-----------one (1)two (2)three (3)
(3 Zeilen)
Zeit: 0,262 ms
test=*# select regexp_replace(t, '[^0-9]','','g') from regex;regexp_replace
----------------123
(3 Zeilen)
Regards, Andreas
--
Andreas Kretschmer
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