'''

7. Python regular expressions

https://docs.python.org/3/library/re.html
https://regex101.com/
https://www.tutorialspoint.com/python3/python_reg_expressions.htm

Regex Tutorial
https://regexone.com/lesson/introduction_abcs

Matching Vs Searching

    - https://docs.python.org/3/library/re.html#search-vs-match

Match & Search Functions

Search & Replace

Option Flags

RE Patterns

Non-Greedy Repetitions

Grouping

Back References

Alternatives

Anchors

'''