Help for changing the case of a selected word of a multiline text to upper

Question

DBVersion:10g
Foms Version:10g
Hi Experts,
Actually i have a requirement where i have to change the case of a selected word by a user into upper case.
ex: FFFFFF hhhhh GGGG
when user selects hhhhh and click on some button or any other option it should change it to upper case.
plss help me out.
regards :(
Edited by: user123 on May 11, 2011 12:46 PM

Answer 1

Here is some PL/SQL code to change a particular occurence of a word in a text.
In this case, I change the second occurence of the "two" word:
Connected to:
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> set serveroutput on
SQL>
SQL> declare
  2   c varchar2(100) := 'one two three four one two three four one two three four' ;
  3   c2 varchar2(100);
  4   i integer;
  5   j integer := 0 ;
  6   pos integer := 1 ;
  7   occurence integer := 2 ; -- occurence to change
  8  begin
  9   loop
10    i := instr(c,'two', pos);
11    exit when j = (occurence-1) or i = 0;
12    j := j + 1;
13    pos := pos + i ;
14   end loop;
15   i := instr(c,'two', pos);
16   if i > 0 then
17     c2 := substr( c,1,i-1) || upper(substr(c,i, length('two')))
18        || substr(c, i+length('two'));
19   end if ;
20   dbms_output.put_line(c2);
21  end;
22  /
one two three four one TWO three four one two three four
PL/SQL procedure successfully completed.Francois