Highlight current word in json sometimes matches a single double quote

<!-- ⚠️⚠️ Do Not Delete This! bug_report_template ⚠️⚠️ --> <!-- Please read our Rules of Conduct: https://opensource.microsoft.com/codeofconduct/ --> <!-- 🕮 Read our guide about submitting issues: https://github.com/microsoft/vscode/wiki/Submitting-Bugs-and-Suggestions --> <!-- 🔎 Search existing issues to avoid creating duplicates. --> <!-- 🧪 Test using the latest Insiders build to see if your issue has already been fixed: https://code.visualstudio.com/insiders/ --> <!-- 💡 Instead of creating your report here, use 'Report Issue' from the 'Help' menu in VS Code to pre-fill useful information. --> <!-- 🔧 Launch with `code --disable-extensions` to check. --> Does this issue occur when all extensions are disabled?: Yes <!-- 🪓 If you answered No above, use 'Help: Start Extension Bisect' from Command Palette to try to identify the cause. --> <!-- 📣 Issues caused by an extension need to be reported directly to the extension publisher. The 'Help > Report Issue' dialog can assist with this. --> - VS Code Version: 1.63.2, 1.64.0-insider - OS Version: Archlinux Steps to Reproduce: 1. Enter the following into a json (or json with comments) document ```json { "": "background-color: #ffffff26 ! " } ``` 2. Move cursor to after the last quotation mark Note that all quotation marks are searched as current word. Expected behaviour is to search the entire string. I should add that the code above is written for a monkey patch, but I have tested it on an instance without monkey patch and it is still a problem. Also for some reason, deleting more characters in the string seems to fix the bug.