import java.util.*;
import java.util.regex.*;
import java.lang.*;
import java.io.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String test = "A man,  66  a plan, a can*()al:55 Panama";
		Matcher m = Pattern.compile("[^a-zA-Z0-9\\s]").matcher(test);
		List<String> results = new ArrayList<>();
		while (m.find()) {
		    results.add( m.group() );
		}
		System.out.println(String.join("|", results));
	}
}

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