/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
String input
= "3.4 5.6 3.400000"; input = input.replaceAll("(\\d+)\\.(\\d+)", "$1xx$2");
String two
= "3.4 5.6 3.400000"; two = two.replaceAll("(?<=\\d)\\.(?=\\d)", "xx");
}
}
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