If a filter is specified, only Samples that match the given filter rules are displayed.
The filter is displayed as a tree, the
Add Filter or 
Add AND/OR Filter buttons can be used to add further criteria. Criteria can be removed using the
Remove Filter button.
Filters can be combined using AND and OR.
Values can be filtered by
- contains/contains NOT: filters values that contains/contains not the text, ignoring cases
- is/is NOT: filters values that are/are not exactly the text, not ignoring cases