正規表現を使用して引用符内のスペースを無視しながらスペースを使用して文字列を分割するにはどうすればよいですか?

This
is
a
string
that
will be
highlighted
when
your
regular expression
matches
something.

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class RegexSplitter {

    public static void main(String[] args) {
        String subjectString = "This is a string that \"will be\" highlighted when your 'regular expression' matches something.";

        // Pattern that matches unquoted words, quoted texts, and the capturing groups
        Pattern regex = Pattern.compile("[^\s\"']+|\"([^\"]*)\"|'([^']*)'");
        Matcher regexMatcher = regex.matcher(subjectString);

        // List to store the split words
        List<String> matchList = new ArrayList<>();

        while (regexMatcher.find()) {
            // Check for capturing groups to exclude quotes
            if (regexMatcher.group(1) != null) {
                // Add double-quoted string without the quotes
                matchList.add(regexMatcher.group(1));
            } else if (regexMatcher.group(2) != null) {
                // Add single-quoted string without the quotes
                matchList.add(regexMatcher.group(2));
            } else {
                // Add unquoted word
                matchList.add(regexMatcher.group());
            }
        }

        // Display the split words
        for (String word : matchList) {
            System.out.println(word);
        }
    }
}

This
is
a
string
that
will be
highlighted
when
your
regular expression
matches
something