rem’s Twitter Archive—№ 45,561

Trying to regexp \\ to \ -> jsconsole.com/?var%20s%20%3D%20%27line%5C%5Cnline%27%3B%20a%20%3D%20%7B%20before%3A%20s%2C%20after%3A%20s.replace(%2F%5C%5C%5C%5C%2Fg%2C%20%27%5C%5C%27)%20%7D