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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 texts[]  = {"Abc <<", "     ", "", "abc 123"};
  9. 		Pattern p = Pattern.compile("(?U)(?!\\s+\\z)[^<]+");
  10. 	    for(String text : texts)
  11. 	    {
  12. 	    	Matcher m = p.matcher(text);
  13. 	        System.out.println("'" + text + "' => " + m.matches());
  14. 	    }
  15. 	}
  16. }
Success #stdin #stdout 0.19s 50468KB
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stdin
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Standard input is empty
stdout
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'Abc <<' => false
'     ' => false
'' => false
'abc 123' => true
https://ideone.com/kKsy21
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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