CNCat 4.1.3 User Manual
'Black' List
The section is intended to create a list of links templates forbidden for adding:
‘Black’ List
To add a template, you should select the checking method (a substring or a regular expression) and enter the expression into this field in a suitable format:
Form for Adding Template
Click the Add button – the expression will be displayed in the table.
To edit and delete the expressions, you should click on the icons 
and 
correspondingly.
It is also possible to create the so called “white” list of exceptions: if there is a substring from the white list in the URL of the forbidden link, then this link can be added to the catalogue:
Exceptions List
To add an exception, you should enter the expression in a text field and click the Add button:
Form for Adding Exceptions
To edit and delete exceptions, you should click on the icons and correspondingly.
