Extracting strings from text
Beyond searching, you can also extract specific keywords from text. The skincare team wants to personalize product recommendations based on customers' skin types mentioned in reviews.
This exercise is part of the course
Data Transformation with Polars
Exercise instructions
- Extract
"oily","dry", or"sensitive"from the"review"column as a new column called"skin_type".
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Extract skin type from reviews
reviews.with_columns(
pl.col("review").str.____("(____|____|____)").alias("____")
)