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:

Example 2
This expression returns false:

Last modified: 23 May 2021


Was this helpful?

Yes No
You indicated this topic was not helpful to you ...
Could you please leave a comment telling us why? Thank you!
Thanks for your feedback.

Post your comment on this topic.

Post Comment