/// <summary>
/// illegal word filter
/// </summary>
/// <param name="str">input string</param>
/// <param name="illegalwords">illegal words spilt by '|'</param>
/// <returns>legal words</returns>
public static string Filter(string str, string illegalwords)
{
var ill = new IllegalWordsSearchEx();
ill.SetKeywords(illegalwords.Split('|'));
return(ill.Replace(str, '*'));
}
public void IllegalWordsSearchExTest()
{
string s = "中国|国人|zg人|f**k|all|as|19|http://|ToolGood";
string test = "我是中国人";
IllegalWordsSearchEx iwords = new IllegalWordsSearchEx();
iwords.SetKeywords(s.Split('|'));
var b = iwords.ContainsAny(test);
Assert.AreEqual(true, b);
var f = iwords.FindFirst(test);
Assert.AreEqual(true, f.Success);
Assert.AreEqual("中国", f.Keyword);
Assert.AreEqual(2, f.Start);
Assert.AreEqual(3, f.End);
var all = iwords.FindAll(test);
Assert.AreEqual("中国", all[0].SrcString);
Assert.AreEqual("国人", all[1].SrcString);
test = "我是中国zg人";
all = iwords.FindAll(test);
Assert.AreEqual("中国", all[0].SrcString);
Assert.AreEqual("zg人", all[1].SrcString);
test = "中间国zg人";
all = iwords.FindAll(test);
Assert.AreEqual("zg人", all[0].SrcString);
test = "f**k al[]l";
all = iwords.FindAll(test);
Assert.AreEqual("f**k", all[0].SrcString);
Assert.AreEqual("al[]l", all[1].SrcString);
Assert.AreEqual(2, all.Count);
test = "http://ToolGood.com";
all = iwords.FindAll(test);
Assert.AreEqual("ToolGood", all[0].Keyword);
Assert.AreEqual("ToolGood", all[0].SrcString);
Assert.AreEqual(1, all.Count);
test = "asssert all";
all = iwords.FindAll(test);
Assert.AreEqual("as", all[0].SrcString);
Assert.AreEqual("ass", all[1].SrcString);
Assert.AreEqual("asss", all[2].SrcString);
Assert.AreEqual("all", all[3].SrcString);
Assert.AreEqual(4, all.Count);
test = "我是【中]国【人";
all = iwords.FindAll(test);
Assert.AreEqual("中]国", all[0].SrcString);
Assert.AreEqual("国【人", all[1].SrcString);
test = "我是【中国【人";
all = iwords.FindAll(test);
Assert.AreEqual("中国", all[0].SrcString);
Assert.AreEqual("国【人", all[1].SrcString);
Assert.AreEqual(2, all.Count);
var ss = iwords.Replace(test, '*');
Assert.AreEqual("我是【****", ss);
}