from Nick Berardi: add RegexOptions.Compiled to all static Regexen ; confirmed that this now makes short, medium, and long benchmark cases consistently and noticeably faster
from Nick Berardi: add RegexOptions.Compiled to all static Regexen ; confirmed that this now makes short, medium, and long benchmark cases consistently and noticeably faster

hey-red/Markdown,jasongaylord/markdownsharp,jasongaylord/markdownsharp