$ cat test.js
'use strict';

console.log(process.versions.node);

new require('module').constructor('/foo/bar/baz');

$ node test.js
16.0.0
undefined:3
/foo/bar/baz
^

SyntaxError: Invalid regular expression flags

This behaviour is very odd! I'm hoping someone can explain it to me. I see no syntax error here.

Interestingly, new module.constructor('/foo/bar/baz') works in the REPL.