regex_array_keys.js

const pos_map = {
	"Transitive verb": ['#E03999', "Transitive"],
	"Godan verb .*": ['#88F0F0', "Godan verb"],
	"Adverb": ['#EEEEEE', "Adverb"]
};

const pos_div = document.getElementById("parts_of_speech");

document.getElementById("pos-temp").innerHTML.split(/\n/).forEach(function(e) {
	const keysMatching = Object.keys(pos_map)
				        .filter(function(key) {
							return new RegExp(key).test(e)
						});
	if (pos_map[keysMatching] !== undefined) {
		pos_div.innerHTML += '<span class="pos_badge" style="background:' + pos_map[keysMatching][0] + '">' + pos_map[keysMatching][1] + '</span>';
	} else {
		pos_div.innerHTML += '<span class="pos_badge">' + e +'</span>';
	}
});