Section: Inspection Functions
iscellstr is
x = iscellstr(y)
and it returns a logical 1 if the argument is a cell array in which every cell is a character array (or is empty), and a logical 0 otherwise.
--> A = {'Hello','Yellow';'Mellow','Othello'}
A =
['Hello'] ['Yellow']
['Mellow'] ['Othello']
--> iscellstr(A)
ans =
1
-->
quit