Programming Reference Manual
 
Syntax
 
Len(S$)
-or-
Len(usertypevar)
 
Description
Return the number of characters in S$.
 
Note: A similar function, LenB, returns the number of bytes in the string. For a usertypevar, LenB returns the number of bytes of memory occupied by the variable's data.
 
Parameter
Description
S$
Return the number of chars in this string value. If this value is Null then Null is returned. 
usertypevar 
Return the number of bytes required to store this user type variable. If the user type has any dynamic String and Variant elements the length returned may not be as big as the actual number of bytes required.
See Also
Example
 
Sub Main
Debug.Print Len("Hello") ' 5
End Sub