isstrprop

isstrprop(str,category) returns a logical array (or cell) the same size as str, indicating whether each element of str belongs to category

category table:

Category	Description
`alpha`	Letters
`lower`	Lowercase letters
`upper`	Uppercase letters
`alphanum`	Letters or numeric digits
`digit`	Numeric digits
`punct`	Punctuation characters
`graphic`	Graphic characters
`print`	Graphic characters + `char(32)` (blank space)
`wspace`	Whitespace characters
`cntrl`	Control characters (for example, `char(0:20)`)
`xdigit`	Valid hexadecimal digits

Graphic Characters

isstrprop treats all Unicode characters as graphic characters, except for the following:

Unassigned characters
Whitespace characters
The line separator
The paragraph separator
Control characters
Private user-defined characters
Surrogate characters