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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 c1 = "S"; // First letter in surname coming from the EditText (with P before)
  13. 		String c2 = "F"; // First letter in name coming from another EditText (not with P before)
  14. 		String pan = "AWSPS1234Z"; // true
  15.         System.out.println(pan.matches("[A-Z]{3}([CHFATBLJGP])(?:(?<=P)" + c1 + "|(?<!P)" + c2 + ")[0-9]{4}[A-Z]"));
  16.         pan = "AWSCF1234Z"; // true
  17.         System.out.println(pan.matches("[A-Z]{3}([CHFATBLJGP])(?:(?<=P)" + c1 + "|(?<!P)" + c2 + ")[0-9]{4}[A-Z]"));
  18.         pan = "AWSCS1234Z"; // false
  19.         System.out.println(pan.matches("[A-Z]{3}([CHFATBLJGP])(?:(?<=P)" + c1 + "|(?<!P)" + c2 + ")[0-9]{4}[A-Z]"));
  20.  
  21. 	}
  22. }
Success #stdin #stdout 0.1s 320320KB
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stdin
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Standard input is empty
stdout
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true
true
false
https://ideone.com/f1Shkz
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
secret

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