Flavour request: VBScript / VBA

[boar24]

Can we have the flavour VBScript / VBA please.

Some limitations of the Microsoft implementation are listed on regular-expressions.info. In addition to that, case conversion (\U, \L) is not supported.
Extensive reference tables of what is supported and what not are available here.

Additional note: see below template for Flavor Requests and note that the first URL yields a 404-error.

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Flavor Request

[working-name]

Dupe, just FYI: #723