function countSentences(text, language) {
  var sentenceEndings = language === 'zh' || language === 'jp' ? /[。？！]/g : /[.?!]/g;
  var sentences = text.match(sentenceEndings);
  return sentences ? sentences.length : 0;
}

function countWords(text, language) {
  if (language === 'zh' || language === 'jp') {
    return text.replace(/\s+/g, '').length;
  } else {
    var words = text.match(/\b[\w']+\b/g);
    return words ? words.length : 0;
  }
}