On Friday 13 Feb 2009, Andreas wrote:
> now ... lets get more complicated.
> Phone numbers are entered:
> 0123/4567-89 national number
> 0049/123/4567-89 the same number
> +49/123/4567-89 still the same number
>
> should come out as 0123456789 to search in this column.
> "0049" and "+49" --> 0
>
> while international numbers
> +33/123456789
> 0033/123456789
>
> should come as
> +33123456789
TEST=> create table foo(p text);
TEST=> insert into foo (select regexp_split_to_table('0123/4567-89
0049/123/4567-89 +49/123/4567-89 +33/123456789 0033/123456789',' '));
TEST=> select * from foo; p
------------------0123/4567-890049/123/4567-89+49/123/4567-89+33/1234567890033/123456789
(5 rows)
TEST=> select
(case when p ~ E'^(\\+|00)49' then '0'||regexp_replace(regexp_replace(p, E'[^0-9+]', '', 'g'),
E'^(?:\\+|00)49(.*)', E'\\1') when p ~ E'^(\\+|00)' then '+'||regexp_replace(regexp_replace(p, E'[^0-9+]', '', 'g'),
E'^(?:\\+||00)(.*)', E'\\1') else regexp_replace(p, E'[^0-9]', '', 'g')
end)
from foo;regexp_replace
----------------012345678901234567890123456789+33123456789+33123456789
(5 rows)
That do what you want? (Apologies for the wrapped lines.)
Regards,
-- Raju
--
Raj Mathur raju@kandalaya.org http://kandalaya.org/ GPG: 78D4 FC67 367F 40E2 0DD5 0FEF C968
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