Some regex search and replace terms to convert less to scss.
Convert all '@' symbols to $ unless they are an @media:
@(?!media)
$
Convert all inline strings:
${
#{$
Convert declaring mixins:
(\.)+([A-Z0-9][A-Z0-9_-]*)+(\()
@mixin $2(
Convert using mixins:
(\.)+([A-Z0-9][A-Z0-9_-]*)+(\()
@include $2(