Function Reference
— Function File: isstrprop (str, pred)

Test character string properties. For example,

          isstrprop ("abc123", "isalpha")
           [1, 1, 1, 0, 0, 0]

If str is a cell array, isstrpop is applied recursively to each element of the cell array.

Numeric arrays are converted to character strings.

The second argument pred may be one of

"alpha"
True for characters that are alphabetic
"alnum"
"alphanum"
True for characters that are alphabetic or digits.
"ascii"
True for characters that are in the range of ASCII encoding.
"cntrl"
True for control characters.
"digit"
True for decimal digits.
"graph"
"graphic"
True for printing characters except space.
"lower"
True for lower-case letters.
"print"
True for printing characters including space.
"punct"
True for printing characters except space or letter or digit.
"space"
"wspace"
True for whitespace characters (space, formfeed, newline, carriage return, tab, vertical tab).
"upper"
True for upper-case letters.
"xdigit"
True for hexadecimal digits.