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Aide de Scilab >> Chaînes de caractères > isdigit


check that characters of a string are digits between 0 and 9


res = isdigit(str)



a character string.


a boolean matrix.


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.


s = 'A1,B2,C3';

See also

  • isalphanum — check that characters of a string are alphanumerics
  • isletter — check that characters of a string are alphabetic letters
  • isnum — teste si une chaîne de caractères représente un nombre
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Last updated:
Tue Feb 25 08:50:27 CET 2020