You cannot check an entry while it is being made. Nor control what the user
can type. After it's entered you can check it.

--
Jim
"Dan N" wrote in message
...
| Is there a way to create an input mask for a cell to only allow the entry
of
| letters or numbers (no symbols)? And if the user enters a symbol, I need
to
| display a message saying "Enter letters and numbers only."
|
| Any help will be GREATLY appreciated.