in reply to What does 'global' (/g) do in a regexp in this particular case?
That case is a bug
See https://rt.perl.org/rt3//Public/Search/Simple.html?q=/g%20pos
If you add scalar in front of the match, it will match regardless of //g
If you use single pair of parens if( ) its like scalar context
Tutorials: Context in Perl: Context tutorial, "List" Is a Four-Letter Word, Easy Reference for Contexts, Mini-Tutorial: Scalar vs List Assignment Operator
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