如何从String中替换"}"？

Question

好吧,我想打个电话

String newString = oldString.replaceAll("}","");

但是我在尝试使用}时遇到错误:

String newString = oldString.replaceAll("\\}\\","");
String newString = oldString.replaceAll("\}\","");
String newString = oldString.replaceAll("//}//","");
String newString = oldString.replaceAll("/}/","");

并且它们都不起作用.我怎么能这样做？

谢谢

这是错误:

10-19 12:17:44.907: W/System.err(7030): java.util.regex.PatternSyntaxException: Syntax error in regexp pattern near index 1:
10-19 12:17:44.907: W/System.err(7030): }
10-19 12:17:44.907: W/System.err(7030):  ^
10-19 12:17:44.907: W/System.err(7030):     at java.util.regex.Pattern.compileImpl(Native Method)
10-19 12:17:44.907: W/System.err(7030):     at java.util.regex.Pattern.compile(Pattern.java:400)
10-19 12:17:44.907: W/System.err(7030):     at java.util.regex.Pattern.<init>(Pattern.java:383)
10-19 12:17:44.907: W/System.err(7030):     at java.util.regex.Pattern.compile(Pattern.java:374)
10-19 12:17:44.907: W/System.err(7030):     at java.lang.String.replaceAll(String.java:1784)
10-19 12:17:44.907: W/System.err(7030):     at com.rotaryheart.MainActivity$1.onClick(MainActivity.java:70)
10-19 12:17:44.907: W/System.err(7030):     at android.view.View.performClick(View.java:4084)
10-19 12:17:44.907: W/System.err(7030):     at android.view.View$PerformClick.run(View.java:16966)
10-19 12:17:44.907: W/System.err(7030):     at android.os.Handler.handleCallback(Handler.java:615)
10-19 12:17:44.907: W/System.err(7030):     at android.os.Handler.dispatchMessage(Handler.java:92)
10-19 12:17:44.907: W/System.err(7030):     at android.os.Looper.loop(Looper.java:137)
10-19 12:17:44.907: W/System.err(7030):     at android.app.ActivityThread.main(ActivityThread.java:4940)
10-19 12:17:44.907: W/System.err(7030):     at java.lang.reflect.Method.invokeNative(Native Method)
10-19 12:17:44.907: W/System.err(7030):     at java.lang.reflect.Method.invoke(Method.java:511)
10-19 12:17:44.915: W/System.err(7030):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)
10-19 12:17:44.915: W/System.err(7030):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:558)
10-19 12:17:44.915: W/System.err(7030):     at dalvik.system.NativeStart.main(Native Method)

这是MainActivity.java 70行

String newString = oldString.replaceAll("}","");

那么这是我的onClick电话

go.setOnClickListener(new OnClickListener() {
        public void onClick(View v) {
            try {
                try {
                  oldString= "} test } for }";

                        Toast.makeText(getApplicationContext(), "Test for }",
                                Toast.LENGTH_SHORT).show();
                        String newString = oldString.replaceAll("}", "");
                        Toast.makeText(getApplicationContext(), ""+newString , Toast.LENGTH_LONG).show();
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    });

Answer 1

replaceAll期待正则表达式,{并且在正则表达式中}具有特殊含义.您可以使用该replace方法,而不是(这与直觉做更换所有出现,但需要要替换的字符串作为参数):

String newString = oldString.replace("}","");