ISNUMBER

Checks whether a value is a number, and returns TRUE or FALSE.

Syntax

ISNUMBER(<value>)  

Parameters

Term Definition
value The value you want to test.

Return value

TRUE if the value is numeric; otherwise FALSE.

Remarks

This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.

Example

The following three samples show the behavior of ISNUMBER.

//RETURNS: Is number  
= IF(ISNUMBER(0), "Is number", "Is Not number")  
  
//RETURNS: Is number  
= IF(ISNUMBER(3.1E-1),"Is number", "Is Not number")  
  
//RETURNS: Is Not number  
= IF(ISNUMBER("123"), "Is number", "Is Not number")  

Information functions