Dive into a comprehensive 2.5-hour video series on mastering regular expressions in Python. Learn essential concepts from introduction to advanced techniques, including character classes, quantifiers, boundary matchers, and look-ahead/behind assertions. Explore practical applications such as splitting, substitution, and working with groups. Gain proficiency in using the 're' module, understanding compilation flags, and implementing both capturing and non-capturing groups. Master the intricacies of greedy and non-greedy quantifiers, backreferencing, and named groups to enhance your regex skills for efficient text processing and pattern matching in Python.