With({nums: Sum(ForAll(Split(txtMedicareNumber.Text, ""), If(IsNumeric(Result), 1, 0)), Value), chars: Sum(ForAll(Split(txtMedicareNumber.Text, ""), If(!IsNumeric(Result), 1, 0)), Value)}, If(nums >= 1 && chars <=10, "Valid", "Invalid" ) & " Format" )
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