As already suggested, if the format is fixed, then you may use
Substring method, for instance:
Dim s As String = "A5"
Dim letter As String = s.Substring(0, 1)
Dim digit As String = s.Substring(1, 1)
On the other hand, for a more complex format, you probably have to somehow parse the string (in such a case have a look at
Regex class[
^]).
:)
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