package org.json;

import org.json.JSONObject;

public class JsonUtil {
	public static String getString(JSONObject jo, String key){
		try{
			return jo.getString(key);
		}catch(Throwable t){
			return null;
		}
	}

	public static String regString(String s){
		if(s==null) {
			return "";
		}
		
		s = s.replaceAll("\n", " ");
		s = s.replaceAll("\r", " ");
		s = s.replaceAll("\"", "\\\"");
		s = s.replaceAll("'", "\\'");
		return s;
	}

}