如何用'\\'
替换单个'\'
?当我运行replaceAll()
时,我收到此错误消息。在Java中用'\'替换单个''
Exception in thread "main" java.util.regex.PatternSyntaxException:
Unexpected internal error near index 1 \
^
at java.util.regex.Pattern.error(Pattern.java:1713)
at java.util.regex.Pattern.compile(Pattern.java:1466)
at java.util.regex.Pattern.<init>(Pattern.java:1133)
at java.util.regex.Pattern.compile(Pattern.java:823)
at java.lang.String.replaceAll(String.java:2190)
at NewClass.main(NewClass.java:13)
Java Result: 1
我的代码:
public class NewClass {
public static void main(String[] args) {
String str = "C:\\Documents and Settings\\HUSAIN\\My Documents\\My Palettes";
str = str.replaceAll("\\", "\\\\");
System.out.println(str);
}
}
尝试用str = str.replaceAll(“^ \\ $”,“”替换'str = str.replaceAll(“\\”,“\\\\”)'^\\\\ $“); ' – Billie
你是什么意思,用'\'替换单个'\'?听起来像一个noop。 –
[String.replaceAll反斜杠问题]的可能重复(http://stackoverflow.com/questions/1701839/backslash-problem-with-string-replaceall) – jlordo