SelectWhat's included
To test the crawler we needed, well, forms to fill out. We were particularly interested in the HTML 5 pattern attribute that allows validating input with arbitrary regular expressions. This led me to the CommonCrawl dataset which, for our purposes here, is a snapshot of the web. However, I didn’t have the means to handle the full data set at that time.
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option from PEP 649, which would allow always extracting