public boolean matchRegexRecursive(char[] str, char[] pattern){
        return matchRegexRecursive(str,pattern,0,0);
    }
Date 06/24/2015
@author Tushar Roy

Write a program to perform regex matching with * an . 

References : http://leetcode.com/2011/09/regular-expression-matching.html
src/com/interview/dynamic/RegexMatching.java