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  1. import java.util.*;
  2. import java.util.regex.*;
  3.  
  4. class Ideone
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8. 		String regex = "\\s+|(?<=--)(?!--)|(?<!--)(?=--)";
  9.         String string = "this is my--test string";
  10. 		System.out.println(Arrays.toString(string.split(regex)));
  11.  
  12. 	}
  13. }
Success #stdin #stdout 0.09s 48188KB
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stdin
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Standard input is empty
stdout
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[this, is, my, --, test, string]
https://ideone.com/teumZG
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
secret

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