content_image/987554.jpg content_image/987555.jpg
<img src='content_image/987554.jpg'>

3. To add a matching rule, click Add from the Matching Rule pane. 

4. To add an expansion rule, click Add  from the Expansion Rule pane. 

For details of editing the matching rules and expansion rules, see the following sections. 

## Editing matching rules 

You can edit the matching rules that specify the condition of the matching rule, the matching order, match pattern type, and pattern body. 

To edit a matching rule, follow these steps: 

1. Select the condition for the matching rule. 

When a rule attempts to match words in a query, it can apply strict or lenient condition constraints. Figure 12-18 shows different matching conditions that you can use for a matching rule. 

<img src='content_image/987555.jpg'>

2. Select the pattern body type. 

