You can delete an entire regular expression object and its corresponding configurations with the Remove Resource page. For instance, you can remove the gopher resource so that all settings associated with that resource will be removed from the proxy server’s configuration files.
Access the Server Manager, and click the Templates tab.
Click the Remove Resource link.
The Remove Resource page is displayed.
Select the resource that you want to remove by choosing it from the Remove drop-down list.
Click OK.
Click Restart Required.
The Apply Changes page is displayed.
Click the Restart Proxy Server button to apply the changes.