正则表达式婚配替换网址

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public String parseTool(String file,String replaceText){
		
			Scanner scanner;
			BufferedWriter rf;
			String repText=replaceText;
			String resultTxt="e:/result.txt";//输出文件路径
			try {
			//"\\s[?=<LINK\\s+.*\\s+href=|?=src=]+\\s*['|\"]\\s*(((?!http:)(?!https:)(?!www\\.)).+?)[\'|\"]";
				scanner = new Scanner(new FileInputStream(file));
				String reg="\\s*(<LINK\\s+.+?href=|src=)\\s*['|\"]\\s*((?!http:|https:|www\\.).+?)['|\"]";
				
				//String reg="\\s*src=[\'|\"]([^www\\.].+?)[\'|\"]";//
				String str;
				Pattern pattern;
				Matcher matcher;
				int status=0;
				String str0;
				
				rf =new  BufferedWriter( new FileWriter(resultTxt));
				while(scanner.hasNextLine()){
					str=scanner.nextLine();
					str0=str;
					pattern = Pattern.compile(reg);
					matcher = pattern.matcher(str);
						while (matcher.find()) {
						   status=1;
						   //System.out.println (matcher.group(2));
						   str=str.replaceAll(matcher.group(2),repText+matcher.group(2));
						}//while-find
						if(status==1){
							 rf.write(str);
						}else if(status==0){
							 rf.write(str0);
						}
						 rf.write("\r\n");
					//status=0;
					
				}//while-hasnext
				
				   rf.flush();//输出
				   rf.close(); //关闭输出流
			} catch (FileNotFoundException e) {
				
				e.printStackTrace();
				return "FileNotFinded.";
			} catch (IOException e) {
				e.printStackTrace();
				return "IOError.";
			}
			   return "ok.";
	}
public static void main(String []args){
			String result;
			result=new mainClass().parseTool("e:/to.txt","www.baidu.com");
			
			//result=new mainClass().parseTest("e:/to.txt","www.baidu.com");
			System.out.println("--"+result);
		
	}