diff -r 72d6a4af4b4a -r 627a944c744b main_templates5/bfc.scala
--- a/main_templates5/bfc.scala	Mon Dec 07 01:25:41 2020 +0000
+++ b/main_templates5/bfc.scala	Fri Jan 15 02:40:57 2021 +0000
@@ -95,7 +95,7 @@
 // that is write(mem, mp, 0). 
 //
 // The easiest way to modify a string in this way is to use the regular
-// expression """[^<>+-.,\[\]]""", which recognises everything that is 
+// expression """[^<>+-,\[\]@#*]""", which recognises everything that is 
 // not a bf-command and replace it by the empty string. Similarly the
 // regular expression """\[-\]""" finds all occurrences of [-] and 
 // by using the Scala method .replaceAll you can replace it with the