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

• [X] I agree to follow this project's Code of Conduct