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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.  
  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[] array = new String[]{"/","/abc","/def/","/ghi/jkl","/mno/pqr/",
  13. 		                              "/stu/vwx/yz","/abc/def/ghi/jkl",};
  14. 		for(String str : array){
  15. 			System.out.printf("%-20s is valid : %b%n", str, str.matches("^(\\/\\w+){0,2}\\/?$"));
  16. 		}
  17. 	}
  18. }
Success #stdin #stdout 0.05s 2184192KB
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/                    is valid : true
/abc                 is valid : true
/def/                is valid : true
/ghi/jkl             is valid : true
/mno/pqr/            is valid : true
/stu/vwx/yz          is valid : false
/abc/def/ghi/jkl     is valid : false
https://ideone.com/l8L5U8
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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