isalphanum

check that characters of a string are alphanumerics

Calling Sequence

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

• isletter check that characters of a string are alphabetics letters
• isdigit check that characters of a string are digits between 0 and 9