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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.*;
  5.  
  6. class Ideone
  7. {
  8. 	public static final Pattern pattern = Pattern.compile("[\\s#.$*@+]*");
  9.  
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		String s = " #####\n#   ####\n#      #\n### **# #\n#  #* *@#\n#   * ###\n#  ##  #\n##     #\n#.$#  #\n#  ####\n ####";
  13. 		if (isLineValid(s)) {
  14. 			System.out.println("Valid"); 
  15. 		} else {
  16. 			System.out.println("Not Valid"); 
  17. 		}
  18. 	}
  19.  
  20. 	private static boolean isLineValid(String line) {
  21. 	   if (pattern.matcher(line).matches()) {
  22. 	      return true;
  23. 	   }
  24. 	   return false;
  25. 	}
  26. }
Success #stdin #stdout 0.05s 711168KB
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Valid
https://ideone.com/Ep5fas
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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