Java 正则获取两个字母之间的内容(最新推荐)

// 匹配规则
    String reg = "(?<=E).*?(?=U)";
    String temp = "qwErtyUio";
    Pattern pattern = Pattern.compile(reg);
    Matcher matcher = pattern.matcher(temp);
    if( matcher.find() ){
        System.out.println(matcher.group());
    }
   //打印内容 rty

// 匹配规则
        String reg = "W.*?(?=H)";
        String temp = "eWiowedjewHw";
        Pattern pattern = Pattern.compile(reg);
        Matcher matcher = pattern.matcher(temp);
        if( matcher.find() ){
            System.out.println(matcher.group());
        }
       //打印内容 iowedjewH

// 匹配规则
        String reg = "A.*?B";
        String temp = "aAabcBc";
        Pattern pattern = Pattern.compile(reg);
        Matcher matcher = pattern.matcher(temp);
        if( matcher.find() ){
            System.out.println(matcher.group());
        }
       //打印内容 AabcB

        String text3 = "啊啊啊标题@多项选择题描述@呵呵呵呵";
        String reg3 = "(?<=标题@)[\\s\\S]*(?=描述@)";
        Pattern p3 = Pattern.compile(reg3);
        Matcher m3 = p3.matcher(text3);
        if(m3.find()){
            System.out.println(m3.group());
        }

 String reg3 = "(?<=标题@)[\\s\\S]*(?=描述@)";

String reg3 = "标题@[\\s\\S]*描述@";