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Please note that the recommended version of Scilab is 6.0.0. This page might be outdated.
See the recommended documentation of this function

Scilab help >> Strings > isalphanum


check that characters of a string are alphanumerics

Calling Sequence

res = isalphanum(str)



A character string.


A boolean matrix.


res = isalphanum(str) returns an array the same size as str containing logical %t (true) where the elements of str are alphanumerics and logical %f (false) where they are not.


s = 'A1,B2,C3';

See Also

  • isletter — check that characters of a string are alphabetics letters
  • isdigit — check that characters of a string are digits between 0 and 9
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Last updated:
Wed Oct 05 12:10:01 CEST 2011