Oracle-L: RE: Function

From: kkennedy <kkennedy_at_firstpoint.com>
Date: Thu, 18 Jul 2002 09:55:56 -0800
Message-ID: <F001.0049B937.20020718095556@fatcity.com>

Try:
create or replace function is_number( parm in varchar2 ) return boolean
is
x number;
begin
  x := to_number( parm );
  return true;
exception
  when value_error
  then
    return false;
end;

Kevin Kennedy
First Point Energy Corporation

-----Original Message-----
Sent: Thursday, July 18, 2002 9:59 AM
To: Multiple recipients of list ORACLE-L

Hi List,

Is there any way that I can check to see if the value in a variable is a number?

Example:

is_number('100') = TRUE
is_number('ABC') = FALSE

Hamid Alavi
Office 818 737-0526
Cell 818 402-1987

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Author: Hamid Alavi
INET: hamid.alavi_at_quovadx.com

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Author: kkennedy
INET: kkennedy_at_firstpoint.com

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