Scilab 5.4.1
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- Strings
- ascii
- asciimat
- blanks
- char
- convstr
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- eval
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- grep
- isalphanum
- isascii
- isdigit
- isletter
- isnum
- justify
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- strcmp
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Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
isletter
check that characters of a string are alphabetic letters
Calling Sequence
res = isletter(str)
Arguments
- 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)
See Also
- isalphanum — check that characters of a string are alphanumerics
- isdigit — check that characters of a string are digits between 0 and 9
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