想替换字符串中的反斜杠斜杠

Question

String name="d:\\racke\\music";
String newName=name.replaceFirst("d:\\racke\\","http://192.168.0.10/racke/");
想将d:\\racke\\替换成
http://192.168.0.10/racke/
但抛出异常

Answer 1

注意regex的写法    String newName=name.replaceFirst("d:\\\\racke\\\\","http://192.168.0.10/racke/");

Answer 2

class Test {
public static void main(String[] args) {
String s = "d:\\racke\\music";
System.out.println(s.replaceAll("d:\\\\racke\\\\", "http://192.168.0.10/racke/"));
}
}