Regex issues in Node

I have been trying to use Regex to select a block of an XML based .NET Core CSPROJ file, and yes before you say know I could use XPATH, but why am not is another story.

I was trying to use the Regex


The strange thing was this selection string worked in online Regex testers and in online Javascript IDEs, but failed inside my Node based Azure DevOps Pipeline extension.

After much experimentation I found that the following line worked


Well that a a good few hours of my life I won’t get back. No idea why Node handles the wildcards differently