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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.regex.*;
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		String value1 = "A42z19z037z21zB942z21z4842zC33z449z3884z68z20z";
  13. 		String pattern1 = "([A-Z]|(?!\\A)\\G)(\\d+z)";
  14. 		Pattern ptrn = Pattern.compile(pattern1);
  15.     	Matcher matcher = ptrn.matcher(value1);
  16.     	ArrayList<ArrayList<String>> result_lst = new ArrayList<ArrayList<String>>();
  17.     	ArrayList<String> lst = null;
  18.     	while (matcher.find()) {
  19.       		if (!matcher.group(1).equals("")) {
  20.       			if (lst != null) result_lst.add(lst);
  21.       			lst = new ArrayList<String>();
  22.       			lst.add(matcher.group(1));
  23.       		}
  24.     		else {
  25.     			lst.add(matcher.group(2));
  26.     	    }
  27.     	}
  28.     	if (lst != null) result_lst.add(lst);
  29.     	System.out.println(result_lst);
  30. 	}
  31. }
Success #stdin #stdout 0.12s 320576KB
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Standard input is empty
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[[A, 19z, 037z, 21z], [B, 21z, 4842z], [C, 449z, 3884z, 68z, 20z]]
https://ideone.com/cbwUM1
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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