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  1. class Ideone {
  2.   public static void main (String[] args) {
  3.     System.out.println("a[b]c".replaceAll("[][]", ""));
  4.   }
  5. }
Runtime error #stdin #stdout #stderr 0.04s 4386816KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Exception in thread "main" java.util.regex.PatternSyntaxException: Unclosed character class near index 3
[][]
   ^
	at java.util.regex.Pattern.error(Pattern.java:1955)
	at java.util.regex.Pattern.clazz(Pattern.java:2548)
	at java.util.regex.Pattern.clazz(Pattern.java:2504)
	at java.util.regex.Pattern.sequence(Pattern.java:2063)
	at java.util.regex.Pattern.expr(Pattern.java:1996)
	at java.util.regex.Pattern.compile(Pattern.java:1696)
	at java.util.regex.Pattern.<init>(Pattern.java:1351)
	at java.util.regex.Pattern.compile(Pattern.java:1028)
	at java.lang.String.replaceAll(String.java:2223)
	at Ideone.main(Main.java:3)
https://ideone.com/NsUKI3
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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