This is not working. When $CD ="CM" (which is invalid) It says it matched. The letters must be seperated by comma (,)
valid values are: "C,M" "C" "C,P"
invalid values are : "CM", "PC" (each letter must be seperated by comma(,))

In reply to Re^2: Regular expression for combination of data by isha
in thread Regular expression for combination of data by isha

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