Thanks. I tried that like this:
{series:re(C++,CPP)}/{title:re(C++,CPP)} - {authors}
But I get the following error:
calibre, version 2.54.0
ERROR: Invalid template: <p>The template {series:re(C++,CPP)}/{title:re(C++,CPP)} - {authors} is invalid:<br>multiple repeat
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