How to search the location of the single quote using instr func in a string

I have a string '345634','234'(all 4 single quotes are part of the string) and I want to find the location of the 3rd single quote using the instr function , could sum1 quickly please help me out.
Regards
Rahul
Edited by: Rahul Kalra on Aug 26, 2010 8:58 AM

Carlovski wrote:
You really do learn something new every day!
It really is quite ugly syntax though.Not really. You can use whatever character you want to indicate the start and end of the string, but if you use any of the brackets "[", "(" or "{" you should terminate using the opposing bracket "]", ")" or "}" respectively. It also looks a bit more ugly with data like that, but if you are entering regular text then it looks ok...
e.g.
SQL> select q'[This is my string with fred's quotes in it]' as mystring from dual;
MYSTRING
This is my string with fred's quotes in it
SQL> select q'(This is my string with fred's quotes in it)' as mystring from dual;
MYSTRING
This is my string with fred's quotes in it
SQL> select q'{This is my string with fred's quotes in it}' as mystring from dual;
MYSTRING
This is my string with fred's quotes in it
SQL> select q'.This is my string with fred's quotes in it.' as mystring from dual;
MYSTRING
This is my string with fred's quotes in it
SQL> select q'#This is my string with fred's quotes in it#' as mystring from dual;
MYSTRING
This is my string with fred's quotes in it
SQL> select q'`This is my string with fred's quotes in it`' as mystring from dual;
MYSTRING
This is my string with fred's quotes in it
SQL>Well... almost any character...
SQL> select q'¼This is my string with fred's quotes in it¼' as mystring from dual;
ERROR:
ORA-01756: quoted string not properly terminated

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How to search the location of the single quote using instr func in a string

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