Make Oracle do the work.
HTH
Jared
create or replace function is_number( chk_data_in varchar2 )
return boolean
is
dummy number(38,4);
begin
dummy := to_number(chk_data_in);
return true;
exception
when value_error then
return false;
when others then
raise;
end;
/
show errors function is_number
declare
v_test varchar2(10) := '1E';
begin
if is_number(v_test) then
dbms_output.put_line(v_test || ' is a number');
else
dbms_output.put_line(v_test || ' is NOT a number');
end if;
end;
/
Hamid Alavi <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
07/18/2002 09:58 AM
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc:
Subject: Function
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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