Excel's VALUE function has only one argument: where a is the value stored as text that you want to convert into a number.
If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the Data tab on the ribbon, and created the rule in the Data Validation dialog ...
I have used the Excel functions LEFT, MID, and RIGHT to dissect ... which is the character(s) we want to use to split the text string into separate columns. In this case, we will use the formula in ...