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Is it possible to write column validation to check if the entered text is number? I have a column named Year of type Single line of text. I would like to be able to stop the user if he or she enters the text other than number.

By the way, I don't want to have my column as Number; this solution t doesn't work for my design.

Thanks for helping me.

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2 Answers 2

up vote 6 down vote accepted

In the Column Validation settings (Edit the Column and it is an expandable section near the bottom) you can use this formula:

=ISNUMBER([My Column]+0)

Just Replace My Column with your actual Column's name

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