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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		String regex = "(?=(?<!_)[A-Z](?![A-Za-z]*_))|(?<!_[A-Za-z]{0,1000}|^)(?=[A-Z])|_";
  10. 		String str = "ThisIsA_SimpleTest_Case";
  11. 		String[] parts = str.split(regex);
  12.  
  13. 	    for (String part : parts)
  14.     		System.out.println(part);
  15.  
  16. 	}
  17. }
Success #stdin #stdout 0.08s 33428KB
comments (?)
stdin 
Standard input is empty
stdout 
This
Is
A
SimpleTest
Case
https://ideone.com/2vAXB7
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
secret

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