isalphanum
check that characters of a string are alphanumerics
Syntax
res = isalphanum(str)
Arguments
- str
a character string.
- res
a boolean matrix.
Description
res = isalphanum(str)
returns an array the same size as
str
containing logical %t
(true) where the elements of str
are
alphanumerics and logical %f
(false) where they
are not.
Examples
s = 'A1,B2,C3'; isalphanum(s)
See also
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