/* 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
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String p = "((?<!\\p{L})(?=\\d(?=(?:[- _]*\\d){3,4}(?!\\p{L})))|(?!^)\\G)[- _]?\\d(?!\\d*\\p{L})";
		System.out.println("0000".replaceAll(p, "*"));
		System.out.println("any text 000 00 more texts".replaceAll(p, "*"));
		System.out.println("any text 000 00 more texts 00".replaceAll(p, "*"));
		System.out.println("any text 000 00 more texts 00 00".replaceAll(p, "*"));
		System.out.println("any text 00-00 more texts 00_00".replaceAll(p, "*"));
	}
}

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