Core Function isNumeric

isNumeric( <expression> )

Description

Checks if string only contains numbers. (Allows for float/double)

Parameters

expression

The string to use.

Return Value

Success: Returns 1.

Failure: Returns 0.

Remarks

Remember this function will return true if the string is a valid float with decimal point if you wish to check if the string is only numbers and nothing else check out isDigit().

Example

$str = "The quick brown fox";
MsgBox(     isNumeric($str)      );