[英]Error using split() with curly braces “{”
There is an issue using split()
with curly braces 使用带花括号的 split()
会出现问题
String[] values = str_bj.split("{");
i need to split string with {
but it throws an error at runtime ....... 我需要拆分字符串{
但它在运行时抛出错误.......
Error:: 错误::
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): FATAL EXCEPTION: main
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.obj/com.obj.ObjectDemoActivity}: java.util.regex.PatternSyntaxException: Syntax error U_REGEX_BAD_INTERVAL near index 2:
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): /{
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): ^
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.os.Handler.dispatchMessage(Handler.java:99)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.os.Looper.loop(Looper.java:123)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.main(ActivityThread.java:4627)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at java.lang.reflect.Method.invokeNative(Native Method)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at java.lang.reflect.Method.invoke(Method.java:521)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at dalvik.system.NativeStart.main(Native Method)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): Caused by: java.util.regex.PatternSyntaxException: Syntax error U_REGEX_BAD_INTERVAL near index 2:
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): /{
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): ^
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at com.ibm.icu4jni.regex.NativeRegEx.open(Native Method)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at java.util.regex.Pattern.compileImpl(Pattern.java:383)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at java.util.regex.Pattern.<init>(Pattern.java:341)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at java.util.regex.Pattern.compile(Pattern.java:358)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at java.lang.String.split(String.java:2044)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at com.obj.ObjectDemoActivity.onCreate(ObjectDemoActivity.java:21)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
05-23 16:01:30.232: ERROR/AndroidRuntime(6802): ... 11 more
It seems to work OK with other characters, but not {
它似乎与其他角色一起正常,但不是{
{
is used to represent intervals in regular expression, you need to escape it, since String.split
does use regular expressions. {
用于表示正则表达式中的间隔,您需要转义它,因为String.split
确实使用正则表达式。
Use str_bj.split("\\\\{");
使用str_bj.split("\\\\{");
or str_bj.split("[{]");
或str_bj.split("[{]");
Try this.Sample. 试试这个。样本。
String str = "YourString{YourString{YourString";
String[] temp;
String delimiter = "\\{";
SepString= str.split(delimiter);
/* print test */
for(int i =0; i < SepString.length ; i++)
System.out.println(SepString[i]);
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