isstrprop

Test whether characters belong to a named character category.

Syntax

tf = isstrprop(str, category)

Description

Returns a logical array the same size as str indicating which positions hold characters in the named category. Recognized categories include 'alpha', 'digit', 'alphanum', 'lower', 'upper', 'punct', 'wspace', 'cntrl', 'print', 'xdigit'.

Example

isstrprop('Hi 5!', 'digit')   % [0 0 0 1 0]

See also

• isletter — Test whether each character is alphabetic.
• isspace — Test whether each character is whitespace.
• ischar — Test whether the input is a character array.