Summary

Regex and its features are popular for use with not only unstructured but also structured data. Regex provides us with many options, and the code will definitely differ from one use case to another. An advantage of regex is that it can be applied in various cases; there might be a few more steps to deal with, but we can focus on the target using regex. The process of PDF extraction is still evolving. While there are other approaches that can be taken, regex is also one of the most important components of data-related tasks.

The topics covered in this chapter helped you to gain a practical perspective on using regex as required. Regex plays an irreplaceable role in the data extraction activity, unaffected by content structures and document types.

In the next chapter, we will be learning about data mining and data visualization.