import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
public class Main {
  public static void main(String args[]) throws Exception {
    String candidate = "I \n"+
        "like \n"+
        "to "+
        "eat "+
        "but "+
        "I "+
        "don't "+
        "like "+
        "to "+
        "eat "+
        "everyone's "+
        "food "+
        "''  ''''  '.' ' "+
        "or "+
        "they'll "+
        "starv'e'";
 
    String regex = "('\\w+)|(\\w+'\\w+)|(\\w+')|(\\w+)";
    Matcher matcher = Pattern.compile(regex).matcher(candidate);
    while (matcher.find()) {
      System.out.println("> matched: `" + matcher.group() + "`");
    }
  }
}

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