Check for spaces embedded with in a field

Question

Hi,
I need to check for spaces in a field. The field is char(8). I need to check for spaces in between.
Example:
' 1 2'
'1 2'
' 12'
Leading spaces and spaces between the chars. the spaces can be more than 1.
Is this possible in just SQL?

Answer 1

Hi !
I have done "something" what shows you at which postion is space in string
( but i'm not very satisfied with this .. code :)
SQL>
SQL> with data as ( select ' 1 2' str from dual union all
  2                 select '1 2' str from dual union all
  3                 select ' 12' str from dual  )
  4  select distinct str,instr(str,' ',1,level) pos from
  5    (select str , max(level) i from data
  6      group by str
  7    connect by level <= length(str) - length(replace(str,' ','')) )
  8  connect by level <= i order by 1,2
  9  /
STR         POS
1 2          1
1 2          3
12           1
1 2           2
SQL> T