Zoekt search returns 400 http status code for some searches
## Summary some zoekt searches are generating 400 http response codes from the zoekt web server ## Steps to reproduce Unknown ## What is the current *bug* behavior? <!-- Describe what actually happens. --> ## What is the expected *correct* behavior? <!-- Describe what you should see instead. --> ## Relevant logs and/or screenshots kibana for zoekt 400 errors from webserver side: https://log.gprd.gitlab.net/app/r/s/pMr4z kibana (internal) for zoekt client 400 errors: https://log.gprd.gitlab.net/app/r/s/Fw1Hs ``` {"Error":"error parsing regexp: missing argument to repetition operator: `*`"} ``` ## Possible fixes <!-- If you can, link to the line of code that might be responsible for the problem. --> <!-- Please add a label for the type of bug as per https://handbook.gitlab.com/handbook/product/groups/product-analysis/engineering/metrics/#work-type-classification -->
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