Exam Certified Data Engineer Professional topic 1 question 87 discussion

It allows us to define patterns that match the structure of the log entries and capture relevant data.

Regular expressions (regex) can be used to identify and extract patterns from text data, which makes them very useful for parsing log files like the Spark Driver's log4j output. By defining specific regex patterns, you can search for error messages, timestamps, specific log levels, or any other text that follows a particular format within the log files.

Regex to extract text

Regex to extract text. C++ makes no sense in this context

regex is for string identification

Using regex, we can identify key ans values areas

Why C++, why not python or Java? Plus there are tools om parsing the log4j output like Chainsaw and xmlstarlet.