java正则表达式提取数字的方法实例

@test
    public void test33() {
        string phonestring = "哈哈,13888889999";
        // 提取数字
        // 1
        pattern pattern = pattern.compile("[^0-9]");
        matcher matcher = pattern.matcher(phonestring);
        string all = matcher.replaceall("");
        system.out.println("phone:" + all);
        // 2
        pattern.compile("[^0-9]").matcher(phonestring).replaceall("");
    }

 提取张三，去除数字

@test
    public void test() {
        // 提取张三 去除数字
        string r_name3 = "张三 13599998888 000000";
        pattern pattern = pattern.compile("[\\d]");
        matcher matcher = pattern.matcher(r_name3);
        system.out.println(matcher.replaceall("").trim());
    }