Hi,
Is there a SAS function to verify if a given SAS date literal value is a valid date? For example, if I had the date literal "35feb95", is there a function I could pass it to and have it tell me that it is not a valid date?
please go this thread, this has pretty much the answer you need
https://communities.sas.com/t5/Base-SAS-Programming/Isdate/m-p/367328#M87435
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