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Unclosed character class near index 3 [[]] ^
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Unclosed character class near index 24 [01]?[d-[0123]?d-d{4}+ ^
java.util.regex.PatternSyntaxException: Unclosed character class near index 3
[[]]
   ^	at java.util.regex.Pattern.error(Pattern.java:1924)	at java.util.regex.Pattern.clazz(Pattern.java:2493)	at java.util.regex.Pattern.sequence(Pattern.java:2030)	at java.util.regex.Pattern.expr(Pattern.java:1964)	at java.util.regex.Pattern.compile(Pattern.java:1665)	at java.util.regex.Pattern.(Pattern.java:1337)	at java.util.regex.Pattern.compile(Pattern.java:1022)	at java.lang.String.replaceAll(String.java:2162)	at Test.main(Test.java:8)