When you search for certain keywords in a URL by using the Path query in a Microsoft SharePoint Online site, no results are returned.
To work around this issue, use SPSiteUrl, FileName, or FileExtension to query different parts of the SharePoint Online site or site collection.
To query location-specific items other than the file name and its extension, use SPSiteUrl for the query. For example:
For Path queries, use prefix match syntax. For example:
To query a file name or extension, use the FileName and FileExtension managed properties. For example:
You'll encounter this issue if you received the latest SharePoint Online service update. The Path query now supports prefix match only. This occurs because of a back-end improvement that forces the Path query to be more restrictive in syntax in order to increase search precision.
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