Need help about incrementing a string

I'm trying to make a dynamic table. First I thought about using Matrix class but then decided to use a1 a2 a3 and so on for the cell names.

I want to increment the string.

Code:

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var letter:String="a";
letter++;

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This doesn't work. Can anyone help me?

Ok, I found a solution, I'm using array.

Not that it matters since you found a way, but nothing about that made any sense.

What would a Matrix have to do with a table? What does it mean to increment a String? And what was your solution with array to what actual problem?

If by "increment a string" you mean "increment a character stored in a string to the character with the next higher charCode", you could do it like this:

Code:

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var letter:String = "a";
function getNextLetter(input:String):String{
  return String.fromCharCode(input.charCodeAt(0)+1));
}

letter = getNextLetter(letter);

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Note that Strings are immutable, so getNextLetter returns a NEW String with the desired value. Note also that if you pass it a String with more or less than 1 character, you get nonsense output, or an error.

That was exactly what I was looking for. Thanks a lot.