Important Resources and References:
- https://www.geeksforgeeks.org/write-regular-expressions/
- https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html#sum
- http://tutorials.jenkov.com/java-regex/matcher.html
- https://regexr.com/
- https://docs.oracle.com/javase/tutorial/essential/regex/groups.html
- https://github.com/tech-boy/Programming-Guide/blob/master/Bit-Manipulation.md
- https://www.geeksforgeeks.org/bits-manipulation-important-tactics/
- Split domain names by (".") ==>
("\\.")
[Java]