[NudeMoon] Fix pages detection

src/main/kotlin/org/koitharu/kotatsu/parsers/site/NudeMoonParser.kt

@@ -120,7 +120,7 @@ internal class NudeMoonParser(
 			chapters = listOf(
 				MangaChapter(
 					id = manga.id,
-					url = manga.url.replace("--", "-online-"),
+					url = getReadLink(manga.url),
 					source = source,
 					number = 1,
 					name = manga.title,
@@ -219,4 +219,10 @@ internal class NudeMoonParser(
 		val dateFormat = SimpleDateFormat("d MMMM yyyy", Locale("ru"))
 		return dateFormat.tryParse(dateString)
 	}
+
+	private fun getReadLink(url: String): String {
+		val prefix = url.substringBefore('-', "")
+		val suffix = url.substringAfter('-').trimStart('-')
+		return "$prefix-online-$suffix"
+	}
 }