Lexical Class Function

Owning Palette: Comparison Functions

Requires: Base Development System

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.

Example

Add to the block diagram

Find on the palette

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

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

Example

Refer to the Compare Character Types VI in the labview\examples\Comparison directory for an example of using the Lexical Class function.

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