public void test3()
{
string s = "中国|国人|zg人";
string test = "我是中国人";
WordsSearchEx2 wordsSearch = new WordsSearchEx2();
wordsSearch.SetKeywords(s.Split('|').ToList());
var b = wordsSearch.ContainsAny(test);
Assert.AreEqual(true, b);
var f = wordsSearch.FindFirst(test);
Assert.AreEqual("中国", f.Keyword);
var alls = wordsSearch.FindAll(test);
Assert.AreEqual("中国", alls[0].Keyword);
Assert.AreEqual(2, alls[0].Start);
Assert.AreEqual(3, alls[0].End);
Assert.AreEqual(0, alls[0].Index);//返回索引Index,默认从0开始
Assert.AreEqual("国人", alls[1].Keyword);
Assert.AreEqual(2, alls.Count);
var t = wordsSearch.Replace(test, '*');
Assert.AreEqual("我是***", t);
}