Lexical Class Function

Returns the class number for char. If char is a string, this function uses the first character in the string. If char is a number, this function interprets it as the ASCII value of a character.


icon

Inputs/Outputs

  • cstr.png char —

    char can be a scalar string or number, clusters of strings or numbers, arrays of strings or numbers, and so on.

  • ii16.png class number —

    class number is a number that corresponds to the lexical class.

    Refer to the ASCII Codes table for the numbers that correspond to each character.

    Class NumberLexical Class
    0Extended characters (codes 128 through 255)
    1Non-displayable ASCII characters (codes 0 to 31 excluding 9 through 13)
    2White space characters: Space, Tab, Carriage Return, Form Feed, Newline, and Vertical Tab (codes 32, 9, 13, 12, 10, and 11, respectively)
    3Digits 0 through 9
    4Uppercase characters A through Z
    5Lowercase characters a through z
    6All printable ASCII non-alphanumeric characters

    • Examples

    Refer to the following example files included with LabVIEW.

    • labview\examples\Comparison\Compare Character Types.vi