Scilab 5.4.1
- Aide Scilab
- Chaînes de caractères
- asciimat
- eval
- evstr
- string
- ascii
- blanks
- char
- convstr
- emptystr
- grep
- isalphanum
- isascii
- isdigit
- isletter
- isnum
- justify
- length
- part
- regexp
- sci2exp
- strcat
- strchr
- strcmp
- strcmpi
- strcspn
- strindex
- strings
- stripblanks
- strncpy
- strrchr
- strrev
- strsplit
- strspn
- strstr
- strsubst
- strtod
- strtok
- tokenpos
- tokens
Please note that the recommended version of Scilab is 2026.0.0. This page might be outdated.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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