String utils minor improvements

src/blackmisc/stringutils.cpp

@@ -79,6 +79,9 @@ namespace BlackMisc
         if (c == '1' || c == 't' || c == 'y' || c == 'x') { return true; }
         if (c == '0' || c == 'f' || c == 'n' || c == '_') { return false; }
 
+        if (c == 'e') { return true;  } // enabled
+        if (c == 'd') { return false; } // disabled
+
         // full words
         if (s == "on") { return true; }
         return false;

src/blackmisc/stringutils.h

@@ -190,13 +190,13 @@ namespace BlackMisc
         return removeChars(string, [](QChar c) { return !is09(c); });
     }
 
-    //! String only with 0-9
+    //! String only with 0-9, or separator
     inline QString char09OrSeparatorOnlyString(const QString &string)
     {
         return removeChars(string, [](QChar c) { return !is09OrSeparator(c); });
     }
 
-    //! String only with 0-9
+    //! String only with ASCII values
     inline QString asciiOnlyString(const QString &string)
     {
         return removeChars(string.simplified(), [](QChar c) { return c.unicode() > 127; });