What happens when the document data has special characters like "party-planning" or "Michelle_obama" ? I see that Elasticsearch includes them in the hit. how do we ignore such documents? Is Elasticsearch case sensitive?

Two questions:

  1. What happens when the document data has special characters like "party-planning" or "Michelle_obama" ? I see that Elasticsearch includes them in the hit. how do we ignore such documents?
  2. Is Elasticsearch case sensitive?

Reference: Beginner’s Crash Course to Elastic Stack - Part 3

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