如何让我的正则表达式实现我的目标？

This is part of my code:

这是我的代码的一部分:

String subArray[]=sub.split(" ");
StringBuilder patternbuilder=new StringBuilder();
for (int i = 0; i < subArray.length; i++) {
    patternbuilder.append("("+subArray[i]+" )"+"?");
}
String subpattern=patternbuilder.toString();
Pattern pattern=Pattern.compile(subpattern);
Matcher matcher = pattern.matcher(para);
while (matcher.find()) {
    NamedEntity subEntity=new NamedEntity(jCas, matcher.start(), matcher.end());
    subEntity.setValue(matcher.group());
}
String