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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.*;
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		String s = "#!key1 #!compound.key2 #!super.compound.key3";
  10. 		Matcher matcher = Pattern.compile("(?<=#!)\\b\\w+(?:\\.\\w+)*").matcher(s);
  11. 		while (matcher.find()) {
  12. 			System.out.println(matcher.group());
  13. 		}
  14. 	}
  15. }
Success #stdin #stdout 0.07s 33980KB
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stdin
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Standard input is empty
stdout
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key1
compound.key2
super.compound.key3
https://ideone.com/VS8cKs
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
secret

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