正则表达式匹配
发布时间:2020-12-13 22:31:39 所属栏目:百科 来源:网络整理
导读:class Solution {public:bool match(char* str,char* pattern){if(str == NULL || pattern == NULL) return false; return matchCore(str,pattern);} bool matchCore(char* str,char* pattern){ if(*str == ' ' *pattern == ' ') return true; if(*str !=
class Solution { public: bool match(char* str,char* pattern){ if(str == NULL || pattern == NULL) return false; return matchCore(str,pattern); } bool matchCore(char* str,char* pattern){ if(*str == ' ' && *pattern == ' ') return true; if(*str != ' ' && *pattern == ' ') return false; if(*(pattern + 1) == '*'){ if(*pattern == *str || (*pattern == '.' && *str != ' ')) return matchCore(str+1,pattern+2) || matchCore(str+1,pattern) || matchCore(str,pattern+2); else return matchCore(str,pattern+2); } if(*str == *pattern || (*pattern == '.' && *str != ' ')) return matchCore(str+1,pattern+1); return false; } }; (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |