Get the number of specified characters =========>>
SELECT length('12312,2434,kjk33 ,jew,12342,')-length(replace('12312,2434,kjk33 ,jew,12342,',',','')) FROM dual;
Get the number of specified characters =========>>
SELECT length('12312,2434,kjk33 ,jew,12342,')-length(replace('12312,2434,kjk33 ,jew,12342,',',','')) FROM dual;