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’)
Last modified:
23 May 2021