RegEx - Extracting the first N words - The Information Lab
Python String To List - Complete Tutorial - Python Guides
Working with Regular Expressions in PostgreSQL
Python: Split a string at uppercase letters - w3resource
regex findall Code Example
Convert Regular Expressions Between Different Applications
Python String Replacement using Pattern
Data Sheet] Python Regex Cheatsheet - Free Download - ActiveState
Extracting email addresses using regular expressions in Python - GeeksforGeeks
python tutorial - Python Regular Expression | Regular Expressions in Python | Part 2 - Search, Match and Find All - By Microsoft Award MVP - learn python - python programming - Learn in 30sec | wikitechy