Distinguishes between upper-case and lower-case letters when filtering the data.
Range contains column labels
Includes the column labels in the first row of a cell range.
Copy results to
Mark the check box, and then select the cell range in which you want to display the filter results. You can also select a named range from the list.
Allows you to use regular expressions in the filter definition. For a list of the regular expressions that LibreOffice supports, click here.
If the Regular Expressions check box is marked, you can use regular expressions in the Value field if the Condition list box is set to '=' EQUAL or '<>' UNEQUAL. This also applies to the respective cells that you reference for an advanced filter.
Excludes duplicate rows from the list of filtered data.
Keep filter criteria
Mark the Copy results to check box, and then specify the destination range in which you want to display the filtered data. If this check box is marked, the destination range remains linked to the source range. You must have defined the source range under Data - Define range as a database range. Following this, you can reapply the defined filter at any time as follows: click within the source range, then choose Data - Refresh Range.
Displays the cell range or the name of the cell range that you want to filter.