sys.device: locale agnostic

Author: scivision

+stdlib/+sys/device.m

@@ -30,9 +30,11 @@
   [s, m] = system(cmd);
   if s == 0
     if ispc()
-      r = extractAfter(m, 'Volume Serial Number is ');
-      r = [r(1:4) r(6:9)];
-      i = hex2dec(r);
+      r = regexp(m, '[A-F0-9]{4}-[A-F0-9]{4}', 'match', 'once');
+      if strlength(r) == 9
+        r = [r(1:4) r(6:9)];
+        i = hex2dec(r);
+      end
     else
       i = str2double(m);
     end