Format price with ActionScript 2.0

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ActionScript 2.0 biggest weakness is lack of support for regular expressions. This makes relatively simple things like formatting price (the American way) a bit of a chore. Here’s a solution for those not quite ready to make all their users switch to Flash Player 9. 

// format price
function formatPrice(orgPrice)
{
	orgPriceSpilt = orgPrice.toString();
	orgPriceSpilt = orgPrice.split(".");
	numString = orgPriceSpilt[0]
	newString = "";
	index = 1;
	trip = 0;
	while(numString.length >= index) 
	{
		if (trip!=3)
		{
			//haven’t reached 3 chars yet 
			newString = numString.charAt(numString.length - index) + newString;  
			//add char 
			index++;
			trip++;
		}
		else 
		{ 
			//reached 3 chars, add comma newString = “,” + newString;
			trip=0;
		}
	}
	if (orgPriceSpilt[1].length < 2)
	{
		decimal = orgPriceSpilt[1] + "0" 
	} 
	else 
	{ 
		decimal = orgPriceSpilt[1]
	}
	return ("$"+newString+"."+decimal);
}