import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String s = "[Header: 150,00;20.02.2019;Bemerkung\\]\\;;\\;Andere Bemerkung;]";
		List<String> result = new ArrayList<>();
		Pattern pattern = Pattern.compile("(?:[^;\\\\]|\\\\.)++");
		Matcher matcher = pattern.matcher(s);
		while (matcher.find()){
			result.add(matcher.group(0)); 
		} 
		System.out.println(result);
	}
}

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