Design a data structure that supports the following two operations: void addWord(word) bool search(word) search(word) can search a literal word or a regular expression string containing only letters a-z or .. A . means it can represent any one letter
主要知识点 terms搜索多个值,并和term的比较 一.term和terms terms是在这个字段中搜索多个值,相当于sql中的in语法 (select * from tbl where col in ("value1", "value2")) term: {"field": "value"} terms: {"field": ["value1", "value2&