capitalizeEachWordFirstCharacter method
Capitalizes the first letter of each word in the string.
Example:
print("hello world".capitalizeEachWordFirstCharacter()); // "Hello World"
Implementation
String capitalizeEachWordFirstCharacter() {
if (isEmptyOrNull) return '';
final words = this!.split(' ');
final formatted = words.map((e) => e.capitalizeFirstCharacter).toList();
return formatted.join(' ');
}