参考资料: https://blog.csdn.net/inthat/article/details/91533576 Trie字典树: https://www.jianshu.com/p/bd2a4cc4b77d 算法实现: https://blog.csdn.net/shengqianfeng/article/details/79572097

字符串替换优化: https://cloud.tencent.com/developer/article/1532121 bytes.Replace代码实现 https://github.com/thinkeridea/go-extend/blob/master/exbytes/bytes.go

主要目的是只需遍历一次文本就可以将多个关键词标记出来, 且返回命中了哪些词, 合并重复命中的标签, 用法参考 trie_test.go