Posted this response a couple of days ago
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Give this expression a try:
=OR(AND(ISTEXT(A1),OR(A1="No",A1="Yes")),AND(ISNUM BER(A1),CELL("format",A1)="d4"))
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Max
Singapore
http://savefile.com/projects/236895
xdemechanik
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"leimst" wrote in message
...
I have a spreadsheet that I have been working on where I am trying to limit
a user's input in a particular cell to one of 3 options, "No", "Yes", or a
date in a "MM/DD/YY" format. Is this possilbe using the Data Validation
function, choosing Allow: Custom, and inputing a formula?

Thanks!