At 2012-02-20 15:50, Andreas wrote:
Hi,
is there a way to split up phone numbers?
I know that's a tricky topic and it depends on the national phone
number format.
I'm especially interested in a solution for Germany, Swizerland and
Austria.
I've got everything in a phone number column that makes hardly sense
like:
+49432156780
0049 4321 5678 0
04321/5678-0
and so on...
Those 3 samples are actually the same number in different notations.
Aim would be to get a normalized number split up in 4 seperate columns
nr_nation
nr_city
nr_main
nr_individual
so I end up with
49 4321 5678 0 for central
49 4321 5678 42 for Mr. Smith
Is this doable?
yes, sure - with regular expressions and/or with bunch of IF/THEN/ELSE
blocks in PL/PgSQL.
see regexp_split_to_array, and other regex functions in the manual:
http://www.postgresql.org/docs/current/static/functions-matching.html#FUNCTIONS-POSIX-REGEXP
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