Funtion to clean up strings? - Mailing list pgsql-sql

From Andreas
Subject Funtion to clean up strings?
Date
Msg-id 4994AED6.5070306@gmx.net
Whole thread Raw
Responses Re: Funtion to clean up strings?
List pgsql-sql
Hi,

I need a function that removes characters in strings that aren't in a 
given set of chars.
e.g
Input:    12-34/ 56(8)
I want just numbers so Output should in this case be:  1234568

Is there a solution?



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