集册 LeetCode 题解 10.Regular Expression Matching

10.Regular Expression Matching

—— Regular Expression Matching (正则表达式匹配)

欢马劈雪     最近更新时间:2020-08-04 05:37:59

270

翻译

实现支持“.”和“*”的正则表达式匹配。

“.” 匹配支持单个字符
“*” 匹配零个或多个前面的元素

匹配应该覆盖到整个输入的字符串(而不是局部的)。

该函数的原型应该是:

bool isMatch(const char s, const char p)

示例:

isMatch("aa","a") → false
isMatch("aa","aa") → true
isMatch("aaa","aa") → false
isMatch("aa", "a") → true
isMatch("aa", ".
") → true
isMatch("ab", ".") → true
isMatch("aab", "c
a*b") → true

原文

Implement regular expression matching with support for '.' and '*'.

'.' Matches any single character.
'*' Matches zero or more of the preceding element.

The matching should cover the entire input string (not partial).

The function prototype should be:
bool isMatch(const char s, const char p)

Some examples:
isMatch("aa","a") → false
isMatch("aa","aa") → true
isMatch("aaa","aa") → false
isMatch("aa", "a") → true
isMatch("aa", ".
") → true
isMatch("ab", ".") → true
isMatch("aab", "c
a*b") → true

C#,递归

展开阅读全文