magento2.3 – Elasticsearch not able to search for term with a slash / in it

I am using Elasticsearch and Elasticsearch not able to search for term with a slash / in it . This issue is solved on version 2.4 and what i am using is version 2.3.5 . I don’t plan an upgrade in near future. What kind of workaround would you suggest for this problem?

When i use slash and search this is a part of the error message i get .
{“0”:”{“error”:{“root_cause”:[{“type”:”query_shard_exception”,”reason”:”failed to create query: {n “query_string” : {n “query” : “sku: …