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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. import java.util.regex.Matcher;
  7. import java.util.regex.Pattern;
  8.  
  9.  
  10. class Ideone
  11. {
  12. 	public static void main (String[] args) throws java.lang.Exception
  13. 	{
  14. 		String str = "test.email+alex@gmail.com";
  15. 		System.out.println(str.replaceAll("(?:\\.|\\+[^@]*)(?=.*@)",""));
  16. 	}
  17. }
Success #stdin #stdout 0.08s 33868KB
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stdin
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Standard input is empty
stdout
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testemail@gmail.com
https://ideone.com/2dpffH
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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