Scilab 5.3.3
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- Strings
- ascii
- blanks
- code2str
- convstr
- emptystr
- eval
- evstr
- grep
- isalphanum
- isascii
- isdigit
- isletter
- isnum
- justify
- length
- part
- regexp
- sci2exp
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- strcat
- strchr
- strcmp
- strcmpi
- strcspn
- strindex
- string
- strings
- stripblanks
- strncpy
- strrchr
- strrev
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- strsubst
- strtod
- strtok
- tokenpos
- tokens
- tree2code
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 This page might be outdated.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 alphabetics 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
| << isdigit | Strings | isnum >> |