hi, title'silver-level customers';
proc print data=silver;
run; In this code, I am creating three datasets namely silver, gold and platinum based on the customer_id values. I also need to modify any four digit string in customer_id by -15- instead of -00-, the searches are case insensitive.I am not getting the results please help. for e.g customer _id- platinum000-000-00-0010,Silver000-000-00-0024 etc. thanks in advance.
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