Extension function to replace spans

AndroidExtensions.kt

fun Spannable.replaceSpans(spanResolver: (index: Int, span: Any) -> Any?): Spannable {
	this.getSpans(0, this.length, Any::class.java).forEachIndexed { index, span ->
		val newSpan = spanResolver(index, span) ?: return@forEachIndexed
		this.setSpan(
				newSpan,
				this.getSpanStart(span),
				this.getSpanEnd(span),
				Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
		)
	}

	return this
}