Name
isletter — check that characters of a string are alphabetics letters
Calling Sequence
res = isletter(str)
Parameters
- str
A character string.
- res
A boolean matrix.
Description
res = isletter(str) returns an array the same size as str
containing logical %t (true) where the elements of str are letters of
the alphabet and logical %f (false) where they are not.
Examples
s = 'A1,B2,C3';
isletter(s)