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We have fixed the issue in the latest version of InDesign, Id 14.0.3
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Installed the plugin. Grep searches are buggier now. How to uninstall?
Based on user response, marking this as Fixed.
Adobe InDesign teamkaren commented
I recently installed the plugin to fix grep searches in long docs. Now grep searches are worse--it changes unflagged content and bounces back to beginning of doc when trying to find next instance. I'd rather work around the original long-search problem than these new ones, but don't know how to uninstall. Anyone else having trouble? Suggestions?