StrDel (Deletes a specified part of a text string)
info("str strDel(str _text,int _position,int _number)");
info("Deletes a specified part of a text string.");
info("_text - The text string to delete characters from.");
info("_position - The position at which to start deleting characters.");
info("_number - The number of characters to delete (including the character at position).");
info("strDel(\"ABCDEFGH\",2,3) " + strDel("ABCDEFGH",2,3));
info("strDel(\"ABCDEFGH\",5,-3) " + strDel("ABCDEFGH",5,-3));