[slang-users] isalpha in SLang

[John E. Davis]

=?UTF-8?Q?J=C3=B6rg?= Sommer <joerg at alea.gnuu.de> wrote:
>why only isdigit() is available in SLang? How can I test for an
>alphabetical character?

I will add the isxxx character class functions to the next release.
Meanwhile, you can try this hack:

  define isalpha (x)
  {
     return "" == strtrans (char(x), "\\a", "");
  }

--John