in
Returns True if expression is a key in the dynamic array. Can't be used
with a static array otherwise it will result in an error.
Syntax:
expression
In
array[]
expression
is the keyword to find in array array[]
Example:
-- Check if key is an index in array a[]
dim a[]
a[1]="one"
a[2]="two"
a[3]="three"
keyword="3"
if keyword in a[] then
Print keyword; " is a valid index
in a[]"
End If