code: protected final int getPageNr(final String parameters) {
  		final String cleanedString = parameters;
  		String pageNrValue;
  		if (cleanedString != null && cleanedString.contains("[") && cleanedString.contains("]")) {
  			pageNrValue = cleanedString.substring(cleanedString.indexOf('[') + 1, cleanedString.lastIndexOf(']'));
  		} else {
  			pageNrValue = "";
  		}
  
  		int pageNr = 1;
  
  		if (pageNrValue.length() > 0 && !pageNrValue.contains("/")) {
  			pageNr = Integer.parseInt(pageNrValue);
  		}
  		return pageNr;
  	}
docs: Gets the page nr.
  
  @param parameters the parameters
  @return the page nr