# Boolean Search
This demo shows you one way to implement Boolean search logic in Typesense while retaining query_by search functionality, by using tag-based UX features.
Live Demo (opens new window) | Source Code (opens new window)
# Key Highlights
- Here's (opens new window) how to parse a search response for differnt field matches and construct a list of possible tag matchings.
- Here's (opens new window) how to use Union search to combine multi-search responses client side, and remove duplicates.
- Here's (opens new window) how to construct a filer_by query that uses custom Boolean Search logic.