From the ReReplacer component view, in the toolbar on the right, you will see the "Options" button.

When you click on that, you will be directed to the Global Configuration options for ReReplacer.

Here is an overview of the global configuration settings. All descriptions are available in the tooltips of the options.

Options

Download Key Please enter your Download Key from the Regular Labs website here. You can find your Download Key under Downloads on the Regular Labs website after logging in.
Enable Categories Enable to use categories and show the category column in the list view.
Enable Colours Enable to use colours and show the colour column in the list view.
Colours A comma separated list of RGB colours to show in the colour picker.
Show search and replace fields Select whether to show the search and replace fields in the list by default.
Contact Database Table The contact table is used in case you use the dynamic user tag.
If you use a 3rd party contact extension, you can change what contact database table to use. This only works for tables where the user id is stored in the user_id field.
Export Format Select the file format for the export files (between JSON and XML).
Show Update Notification If selected, an update notification will be shown in the main component view when there is a new version for this extension.
Show Copyright If selected, extra copyright info will be displayed in the admin views. Regular Labs extensions never show copyright info or backlinks on the frontend.

User Actions Log

Log User Actions Select to store User Actions. These actions will be visible in the User Actions Log module.
Events To Log Select the actions to include in the User Actions Log.

Permissions

The Joomla permission settings control access to the different actions for each user group. For more information on how these permissions work, see the Joomla docs: Access Control List Tutorial: Component Options & Permissions