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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.Pattern;
  5.  
  6. class Ideone
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10. 		String result = Pattern.compile("\\d+")
  11.             .matcher("123ABC458")
  12.             .replaceAll(m -> new StringBuilder(m.group()).reverse().toString());
  13.  
  14.         System.out.println(result);
  15. 	}
  16. }
Success #stdin #stdout 0.09s 48044KB
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stdin
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Standard input is empty
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321ABC854
https://ideone.com/4CwS7M
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
secret

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