Function reference
Reports whether the value of a string is a number.

IsNumber ( string )


Argument Description
string A string whose value you want to test to determine whether it is a valid number.

Data type: Boolean
Returns true if string is a valid number and false if it is not.

Example 1
This expression returns true:
IsNumber(‘32.65’)

Example 2
This expression returns false:
IsNumber(‘A16’)

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