BUG: SyntaxError: Invalid regular expression: /\b(\)/gi: Unterminated group (at result.js:39:16)

[burhandodhy]

Describe the bug

The Instant Results throws a syntax error if the search term includes a trailing backslash

react-dom.min.js?ver=18.3.1:2 SyntaxError: Invalid regular expression: /\b(test \)/gi: Unterminated group (at result.js:39:16)
    at new RegExp (<anonymous>)
    at __webpack_modules__../assets/js/instant-results/components/results/result.js.__webpack_exports__.default (result.js:39:16)
    at hu (react-dom.min.js?ver=18.3.1:2:60308)
    at xi (react-dom.min.js?ver=18.3.1:2:119597)
    at bs (react-dom.min.js?ver=18.3.1:2:108749)
    at vs (react-dom.min.js?ver=18.3.1:2:108677)
    at gs (react-dom.min.js?ver=18.3.1:2:108540)
    at as (react-dom.min.js?ver=18.3.1:2:105347)
    at ls (react-dom.min.js?ver=18.3.1:2:103902)
    at S (react-dom.min.js?ver=18.3.1:2:130522)

Steps to Reproduce

1. Enabled Instant Results.
2. Search for "test "
3. See the browser's console

Screenshots, screen recording, code snippet

No response

Environment information

No response

WordPress and ElasticPress information

No response

Code of Conduct

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