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examples of non-printable characters.

i am using this following function in my code.
select regexp_replace(col name,'[[:cntrl:]]','u')
In this above function [[:cntrl:]] means non printable charcters..how can i give value to this function..please help me.
Aug 17 '12 #1
1 2596
rski
700 Expert 512MB
Expand|Select|Wrap|Line Numbers
  1. select regexp_replace(column_name,'[[:cntrl:]]','u')
  2. from table_name;
  3.  
Aug 17 '12 #2

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