【已解决】Java正则替换replaceAll/replaceFirst遇到替换的内容包含正则符号报错

public class PatternTest {

    public static void main(String[] args) {
        String data="这个商品标价$2";
        data=data.replaceAll("(商品)","$3");
        System.out.println(data);
    }
}

public class PatternTest {

    public static void main(String[] args) {
        String data="这个商品标价$2";
        data=data.replaceAll("(商品)", Matcher.quoteReplacement("$3"));
        System.out.println(data);
    }
}

public class PatternTest {

    public static void main(String[] args) {
        String data="这个商品标价$2";
        data=data.replaceAll(Pattern.quote("$"), Matcher.quoteReplacement("￥"));
        System.out.println(data);
    }
}

正则替换特殊符号 正则替换报错 replaceAll replaceFirst

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