Splitting data by comma as a delimiter 
Data splitted is as below 
A001ST==>98==>1==>01/10/1999==>EUROPEENNE==>0==>EUR==>6==>7==>0==>98==>1
Data splitted is as below 
A001ST==>AD,CD==>1==>20/05/2004==>ANDORRA==>0==>EUR,USD==>6==>7==>0==>AD==>1