fFilterMatcher.setFilter(fFilter, fIgnoreCase, false);
fFilterMatcher.setFilter(fFilter.trim(), fIgnoreCase, false);
	private int filter() {		if (((fFilter == null) || (fFilter.length() == 0)) && !fMatchEmtpyString)			return 0;				fFilterMatcher.setFilter(fFilter, fIgnoreCase, false);		int k= 0;		for (int i= 0; i != fElements.length; i++) {			if (fFilterMatcher.match(fElements[i]))				fFilteredIndices[k++]= i;		}											return k;	}	