Bug 44280 Add regex content assist support for File search page
I20031007
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/search/FilterDialog.java
private CheckboxTableViewer fCheckBoxList;
	
	private JavaSearchResultPage fPage;
	private Stack fFilterDescriptorChangeHistory;
	
	/**
	 * Creates a dialog to customize Java element filters.
	 * 
	 * @param shell the parent shell
	 * @param viewId the id of the view
	 * @param enablePatterns <code>true</code> if pattern filters are enabled
	 * @param patterns the filter patterns
	 * @param enabledFilterIds the Ids of the enabled filters
	 */
	public FilterDialog(
			Shell shell,
			JavaSearchResultPage page) {
		super(shell);
		
		fPage= page;
		fFilterDescriptorChangeHistory= new Stack();
		setShellStyle(getShellStyle() | SWT.RESIZE);
	}
	protected void configureShell(Shell shell) {
		setTitle("Match Filters");
		setMessage("Select Match Filters");
		super.configureShell(shell);
		WorkbenchHelp.setHelp(shell, IJavaHelpContextIds.CUSTOM_FILTERS_DIALOG);
	}
	/**