IsNumber

Determines whether or not a value is a number.

Syntax

IsNumber(val)
EstNum(val)
val = the value to check if it is a number

Remarks

Both numerical values and strings representing a numerical value are recognized as numbers.
An empty string is not a number, nor are NaN or Infinity.

To test multiple values as numbers at the same time, see AreNumbers.

Examples

IsNumber("12") = True
IsNumber("abc") = False
IsNumber("") = False

Classification

Logic Maths