提取字符串或一段文本中的手机号码

/**
	 * 提取字符串或一段文本中的手机号码 
	 * @param text
	 * @return
	 */
	public static String getPhoneNumbers(String text){
		Pattern pattern = Pattern.compile("(?<!\\d)(?:(?:1[358]\\d{9})|(?:861[358]\\d{9}))(?!\\d)"); 
		Matcher matcher = pattern.matcher(text); 
		    StringBuffer bf = new StringBuffer(64); 
		    while (matcher.find()) { 
		      bf.append(matcher.group()).append(","); 
		    } 
		    int len = bf.length(); 
		    if (len > 0) { 
		      bf.deleteCharAt(len - 1); 
		    } 
		return bf.toString();
	}