Need regex for matching unquoted whole words excluding a list of set words

Given this exact string:

Name = "John" AND Country = "USA"

I want two matches returned:

Name
Country

I want to match all unquoted whole words as long as they are not in a short list of defined words (e.g. AND, OR)

This wil开发者_如何学Gol be used in a .NET environment.

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This will match any word consisting of alphanumeric and _ characters that is not terminated by a ". Excluding the | delimited elements in the (?! ).

It should serve your purposes.

(?<!")\b(?!excludethis|andthis|andthisone|andthat|thistoo|AND)\w+\b(?!")

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Warning, this will match Tome and and in Country = "Sao Tome and Principee"