From AutoIt Wiki

Checks if a variable's base type is numeric. Adapted from AutoIt docs.

Contents 1 Syntax 2 Parameters 3 Return Value 4 Example 5 Remarks 6 Related Functions

Syntax

$chk = IsNumber(var)

Parameters

var	The variable to check.

Return Value

Success: Returns 1.
Failure: returns 0 if expression is not numeric.

Example

$x = IsNumber(42) ; returns 1

Remarks

Variants can be of two base types: string and numbers. Additionally, numbers may be integers (whole) or fractional.

Related Functions

IsArray IsFloat IsInt IsString IsBool IsHWnd