How to find out no. of occurrences of a sting in a given string
Hi all,
How do I find out the no. of occurrences of a sting in a given string.
Your help would be appreciated.
Thank you,
Srinivas
user636994 wrote:
calculating no. of occurance of a string
declare
str1 varchar2(100) :='string';
str2 varchar2(1000) := 'This is the string where all the string are placed. This pl/sql is used to search the accurance of a string into an another string';
begin
dbms_output.put_line(length(str2) - length(replace(str2,str1,substr(str1,1,length(str1)-1))));
end;
/A slightly shorter (in length) version of that would be...
SQL> ed
Wrote file afiedt.buf
1 declare
2 str1 varchar2(100) :='string';
3 str2 varchar2(1000) := 'This is the string where all the string are placed. This pl/sql is used to search the accurance of a string into an another string';
4 begin
5 --dbms_output.put_line(length(str2) - length(replace(str2,str1,substr(str1,1,length(str1)-1))));
6 dbms_output.put_line((length(str2) - length(replace(str2,str1)))/length(str1));
7* end;
SQL> /
4
PL/SQL procedure successfully completed.
SQL>
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