ISNUMBER
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The function ISNUMBER outputs TRUE if the input is a Number.
This function takes any data type as input. It outputs a : TRUE if the input is a , FALSE if it isn't.
value (required, type: any)
The value that may or may not be a Number.
result (type: Boolean)
The result of checking if the given input is a Number; TRUE means that it is and FALSE means that it isn't.
The following example checks to see if the number 1.5 is a number. It is:
The following example checks to see if the string "1.5" is a number. It isn't: