Highlight parameter names after function invocation

Start in powershell.tmLanguage.json and inspect the existing rules for operators, numeric constants, and command arguments. Try the examples from the issue, including Get-ChildItem parameters and switch -Regex, while checking that negative integers retain their current highlighting. Done means parameter names such as Path, Recurse, and Regex are highlighted without overriding operator or numeric scopes.

Given Get-ChildItem -Path . -Recurse I cannot find a way to highlight "Path" and "Recurse". Currently I've only managed to highlight the -. The same goes for say "regex" in switch -Regex () {}.

It's gross but surly something like \\s\\-(?!(?i:[ic]?(?:eq|ne|gt|lt|ge|le|not|isnot|is|f|as|like|notmatch|match|notcontains|contains|in|and|or|xor|join|split|band|bor|bnot|bxor|replace))\\s)\\w+ would cover it? Provided it didn't step on constant.numeric and override negative integer highlighting.

Playing around on my own computer and adding this to powershell.tmLanguage.json:

{
    "match": "\\s\\-(?!(?i:[ic]?(?:eq|ne|gt|lt|ge|le|not|isnot|is|f|as|like|notmatch|match|notcontains|contains|in|and|or|xor|join|split|band|bor|bnot|bxor|replace))\\s)\\w+",
    "name": "variable.parameter.powershell"
},

I get the desired result although there may be edge cases I am not considering...