code: function parseClassifiers(parsedData, pattern) {
    const results = []
    for (let i = 0; i < parsedData.info.classifiers.length; i++) {
      const matched = pattern.exec(parsedData.info.classifiers[i])
      if (matched && matched[1]) {
        results.push(matched[1].toLowerCase())
      }
    }
    return results
  }
docs: Extract classifiers from a pypi json response based on a regex.