<ul><li>The problem of regular expression (regex) matching has always fascinated computer scientists.</li><li>Regular expressions are patterns used to match character combinations in a string.</li><li>This article describes a solution to the problem of regex matching by using a bottom-up dynamic programming approach.</li><li>The solution uses a boolean 2D array to store the truth values and iterates through all the elements to fill the boolean array taking into account four possible conditions.</li><li>The time complexity of this solution is O(m*n) and the space complexity is also O(m*n).</li><li>An example is presented in the article to explain the solution in detail.</li><li>The final answer is true if the string matches the pattern.</li><li>This solution is implemented in C++.</li><li>Pattern and string can be matched using the implemented solution.</li><li>The code and output are well explained in the article with the help of images.</li></ul>

Given an input string (s) and a pattern (p), implement regular expression matching with support for ‘.’ and ‘*’.

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