当我尝试使用正则表达式(?<=}),(?=\\{)
对字符串"{test},{test}"调用string.split()时,出现了java.util.regex.PatternSyntaxException
异常。
在JVM上运行单元测试时,这个操作很好用(即不在Android上运行),但在Android上我得到了以下堆栈跟踪:
java.util.regex.PatternSyntaxException: Syntax error U_REGEX_RULE_SYNTAX near index 5:
(?<=}),(?=\{)
^
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
at android.app.ActivityThread.access$1500(ActivityThread.java:117)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:130)
at android.app.ActivityThread.main(ActivityThread.java:3683)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.util.regex.PatternSyntaxException: Syntax error U_REGEX_RULE_SYNTAX near index 5:
(?<=}),(?=\{)
^
at java.util.regex.Pattern.compileImpl(Native Method)
at java.util.regex.Pattern.compile(Pattern.java:400)
at java.util.regex.Pattern.<init>(Pattern.java:383)
at java.util.regex.Pattern.compile(Pattern.java:374)
at java.lang.String.split(String.java:2021)
at java.lang.String.split(String.java:2002)
我想知道Android运行时是否不支持正则表达式的前瞻,有人能否确认或提供任何解决方案?