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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.util.regex.Matcher;
  4. import java.util.regex.Pattern;
  5.  
  6. class Main
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10. 		Pattern pattern = Pattern.compile("::=(<[^>]+>)(<[^>]+>)\\|([^|]+)\\|(<[^>]+>)\\|(\\w+)$");
  11. 		Matcher m = pattern.matcher("<actions>::=<action><action>|X|<game>|alpha");
  12. 		if (m.find())
  13. 			for (int g = 1; g <= m.groupCount(); g++) {
  14. 				System.out.println("Group: " + m.group(g));
  15. 			}
  16. 	}
  17. }
Success #stdin #stdout 0.07s 380160KB
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stdin
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Standard input is empty
stdout
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Group: <action>
Group: <action>
Group: X
Group: <game>
Group: alpha
https://ideone.com/8b7DP0
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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