private boolean findMatch(String searchString, TableItem item, int column, boolean matchWord, boolean matchCase) {
	
	String tableText = matchCase ? item.getText(column) : item.getText(column).toLowerCase();
	if (matchWord) {
		if (tableText != null && tableText.equals(searchString)) {
			return true;
		}
		
	} else {
		if(tableText!= null && tableText.indexOf(searchString) != -1) {
			return true;
		}
	}
	return false;
}