[b]"What's the best approach for efficient data parsing in large datasets?"[/b] Alternatively: [b]"Struggling with

OP reply:
Wow, thanks for all the awesome tips! I’m definitely checking out OpenRefine and `great_expectations`—those sound like exactly what I need.

Quick follow-up: Anyone have a favorite regex cheat sheet? I always forget the syntax for lookaheads lol.

Also, +1 for Parquet. CSVs are the bane of my existence. 😂