isascii — tests if character is a 7-bit US-ASCII character
res = isascii(str)
A character string.
A Boolean matrix.
res = isascii(str) returns TRUE (%T) if c is a 7-bit US-ASCII character code between 0 and octal 0177 inclusive. otherwise returns FALSE (%F)
isascii(code2str(300)) isascii(code2str(-11)) letters = [115. 99. 105. 108. 97. 98.] isascii(letters) ascii(letters) isascii('scilab')