string rawNames = "Hasan@David@Siti@Malvin@Iven"
string[] splittedNames;

// Count the number of '@'s in string rawNames to determine the size of splittedNames array.
int atCounter = 0;
for(int i = 0 ; i < rawNames.length ; i++)
{
	if(rawNames[i] == '@')
	{
		atCounter++;
	}
}

// Create new splittedNames based on counted '@'s + 1 (words are +1 of '@'s count)
splittedNames = new string[atCounter + 1];

// Split names based on '@'s
int currentIndex = 0; // Buat nentuin index ke berapa yang di-assign.
for(int i = 0 ; i < rawNames.length ; i++)
{
	if(rawNames[i] != '@')
	{
		splittedNames[currentIndex] += rawNames[i];
	}
	else
	{
		currentIndex++;
	}
}