- import java.util.*; 
- import java.lang.*; 
-   
- class Main { 
-     	String-  str  = "test    text test";
 
-         String-  replaced  =-  str. replaceAll("((?<= ) | (?= ))"- ,  " ");
 
- 		System- . out- . printf("Replaced: [%s]%n"- , replaced );
 
- 	} 
- } 
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