java - 如何在java中替换包含字符@和#的确切字符串

Question

您好，我在替换包含 # 和 @ 字符的确切字符串时遇到了麻烦。我试过mytext.replaceAll('\\b('+text+')\\b',"testtest");但也没有帮助。精确的字符串意味着精确的单词。

String myStr = "test1 test";
                    myStr= myStr.replaceAll('\\b('+ Pattern.quote("test") +')\\b',"notest")//out put string "test1 notest"
                    //Exact word means only "test" is getting replace not "test" from "test1" word to notest1
                    String myStr1 = "test1 #test";
                    myStr1 = myStr1.replaceAll('\\b('+Pattern.quote("#test") +')\\b',"notest")//out put string "test1 #test", #test is not replaced

有人可以帮助我吗？提前致谢

Answer 1

您有几个编译错误。

这段代码对我有用:

String myStr = "test1 test";
    myStr= myStr.replaceAll("\\b("+ Pattern.quote("test") +")\\b","notest");
    System.out.println(myStr);
    String myStr1 = "test1 #test";
    myStr1 = myStr1.replaceAll("\\b("+Pattern.quote("#test") +")\\b","notest");
    System.out.println(myStr);