Regular Expression Matching

The problem Given an input string s and a pattern p, implement regular expression matching with support for '.' and '*', where: '.' matches any single character. '*' matches zero or more of the preceding element. Return a boolean indicating whether the matching covers the entire input string (not partial). Example 1: Input: s = "aa", p = "a" Output: false Explanation: "a" does not match the entire string "aa". Example 2: ...