capitaliser le texte kotlin
String upperString = myString.substring(0, 1).toUpperCase() + myString.substring(1).toLowerCase();
Smoggy Spider
String upperString = myString.substring(0, 1).toUpperCase() + myString.substring(1).toLowerCase();
replaceFirstChar {if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }