How to validate data in RPG code like if a field is of char type then how to validate that it should only take alphabets…..
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How to validate data in RPG code like if a field is of char type then how to validate that it should only take alphabets…..
You can restrict input to arbitrary subset of characters using %check() build-in function. Below is essential fragment of ILE RPG Reference Manual:
%CHECK(comparator : base {: start})
%CHECK returns the first position of the string base that contains a character that does not appear in string comparator. If all of the characters in base also appear in comparator, the function returns 0.