**Description of the false positive** `v` is a valid regular expression flag **Code samples or links to source code** ```js let x = /abc/v; ``` https://github.com/mozilla/pdf.js/blob/d88035525c69b72ecec2f5ea21b591d2d541a2b5/web/autolinker.js#L112 **URL to the alert on GitHub code scanning (optional)** <!-- 1. Open the project on GitHub.com. 2. Switch to the `Security` tab. 3. Browse to the alert that you would like to report. 4. Copy and paste the page URL here. -->