Asterisk is not recognized as valid function/cmdlet name character

[schuelermine]

Environment

• Editor and Version VS Code
• Your primary theme: High Contrast Default

Issue Description

The character * is not recognized as part of a function/cmdlet name

Screenshots

Defining such a function...

In VSCode:

In PowerShell itself:

Calling such a function/cmdlet...

In VSCode:

In PowerShell itself:

To show that the semantics are wrong, too, here's an autocomplete popup:

Expected Behavior

The asterisk and the rest of the function name should be the same color and the asterisk should not interrupt the function name and cause suggestions to pop up all of a sudden.

Code Samples

function Get-A*A {}
Get-A*A

(GitHub highlighting is also wrong, here)

[msftrncs]

This is handled in PR #156.