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Using Magento 2.3, I have 3,000 products that are fittings for a plumbing warehouse. Currently, it is impossible to search for a fitting that is 1/2" or 3/4".
How do I allow special characters like "/" or quotation marks in catalog search?
ElasticSearch 6+
and implement code as per below code - this answer may help you for sure in the case of ElasticSearch - magento.stackexchange.com/a/300027 based on - magento.stackexchange.com/questions/299311