HTML source code can be batch replaced.
 
The articles in the same website probably contain a number of the identical HTML source code such as AD.  You can batch replace/delete a certain HTML source code by the following way. 
 
Right click on the selected node and a muti-selection is allowable.  In the popup menu, select "Replace HTML Source Code of Articles" and then a dialog for the replacement of articles' source code will be displaced:
 
 
Find what：The HTML source code to be found;
Replace with：The new HTML source code used for replacing the former one.  If keeping blank, the found HTML source code will be removed off; 
Regular Expressions：The text to be found is a regular expression;
Match Case: Whether match case when finding the HTML source code;
Replace In: Select which articles will be replaced.

Advanced

Params
 
In case that %ResourceFilePath% is in "Find what" and/or "Replace with",
  • %ResourceFilePath%：If the articles saved with CyberArticle contain resouces including images or flash & etc.,these resources are usually saved in the "xxx_files" folder.  Thereby, when finding or replacing the HTML source code, %ResourceFilePath% will be replaced with "xxx_files. 
Notice:
We strongly suggest you backuping your book before using this function.