Scilab 5.5.1
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- Strings
- ascii
- asciimat
- blanks
- char
- convstr
- emptystr
- eval
- evstr
- grep
- isalphanum
- isascii
- isdigit
- isletter
- isnum
- justify
- length
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- regexp
- sci2exp
- strcat
- strchr
- strcmp
- strcmpi
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- string
- strings
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- strncpy
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- tokens
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
isdigit
check that characters of a string are digits between 0 and 9
Calling Sequence
res = isdigit(str)
Arguments
- str
a character string.
- res
a boolean matrix.
Description
res = isdigit(str) returns an array the same size as
str containing logical %t
(TRUE) where the elements of str are digits and
logical %f (FALSE) where they are not.
Examples
s = 'A1,B2,C3'; isdigit(s)
See Also
- isalphanum — check that characters of a string are alphanumerics
- isletter — check that characters of a string are alphabetic letters
- isnum — tests if a string represents a number
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