java正则表达式s*.* java正则表达式提取数字

private static void test6() {
		// 提取张三 去除数字
		String r_name3 = "张三 1359999你好8888 000000";
//		Pattern pattern = Pattern.compile("[\\d]");
//		Pattern pattern = Pattern.compile("\\d*");
		Pattern pattern = Pattern.compile("\\d");
		Matcher matcher = pattern.matcher(r_name3);
		System.out.println(matcher.replaceAll("").trim());

	}

	private static void test5() {
		String phoneString = "哈哈,1388888额9999";
//		String phoneString = "MemTotal:         808964 kB";
		// 提取数字
		// 1
		Pattern pattern = Pattern.compile("[^0-9]");
		Matcher matcher = pattern.matcher(phoneString);
		String all = matcher.replaceAll("");// 不属于任何匹配的字符被直接添加到结果字符串
		System.out.println("phone:" + all);
		// 2
		Pattern.compile("[^0-9]").matcher(phoneString).replaceAll("");

	}