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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9.         String sampleText = "ABC/1111111031111111/0318*12345678\n"
  10.                 + "ABC/1852111031156311/1120*12345678";
  11.  
  12.         String pattern = "(?<=/\\d{12,19}/)(?:0[1-9]|1[0-2])\\d{2}(?=\\*)";
  13.  
  14.         System.out.println(sampleText.replaceAll(pattern, "1222"));
  15. 	}
  16. }
Success #stdin #stdout 0.11s 48352KB
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stdin
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Standard input is empty
stdout
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ABC/1111111031111111/1222*12345678
ABC/1852111031156311/1222*12345678
https://ideone.com/JIFQiV
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
secret

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