menion

/****************************************************************************
 *
 * Created by menion
 * Copyright (c) 2019. All rights reserved.
 *
 * This file is part of the Asamm team software.
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *

menion

	/**
	 * Extracts substring of preferred language from multilingual string.<br/>
	 * Example multilingual string: "Base\ren\bEnglish\rjp\bJapan\rzh_py\bPin-yin".
	 * <p/>
	 * Use '\r' delimiter among names and '\b' delimiter between each language and name.
	 */
	private String extract(String s) {
		// check string
		if (s == null || s.trim().isEmpty()) {
			return null;