Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it. Brian W. Kernighan
Write a program to implement Regular expression matching. If you give the string and expression, the program should match the regular expression.
Does the string contain space: true Number of space between the strings: 4 Hello How are you Replace space with tab in the string: Hello How are you