/* 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
	{
		List<String> urls = Arrays.asList("http://h...content-available-to-author-only...t.com/api/person/1234", "http://h...content-available-to-author-only...t.com/api/person/1234/jobs", "http://h...content-available-to-author-only...t.com/api/person/1234/jobs/321", "http://h...content-available-to-author-only...t.com/api/person/abc1234/jobss", "http://h...content-available-to-author-only...t.com/api/person/1234abc/jobs");
		for (int i = 0; i < urls.size(); i++) {
			urls.set(i, urls.get(i).replaceAll("/\\d+(?=/|$)", "#####"));
		}
		System.out.println(urls.toString());
	}
}

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