if you really wanted to use kotlin magic to do it,...

# getting-started

[bj0]

if you really wanted to use kotlin magic to do it, you could:

fun function(text: String) = text.split("(?<=(.))(?=.)(?!\\1)".toRegex())
	.flatMap { it.chunked(2).map { it.take(1) }  }
	.joinToString("")