add-highlighter window/regions_test regions
add-highlighter window/regions_test/code default-region fill yellow
add-highlighter window/regions_test/string region %{"} %{(?<!\\)(\\\\)*"} fill green
add-highlighter window/regions_test/shell region -recurse '\{' '\$\{' '\}' fill red
add-highlighter window/regions_test/tag region -match-capture '<(\w+)>' '</(\w+)>' fill blue