Get a random string with alphanumeric and numeric characters.

randomString.as

package tea.string
{
	/**
	 *
	 *	Get a random string with alphanumeric and numeric characters.
	 *	
	 *	@param p_length String length.
	 *
	 *	@author Rafael Rinaldi (rafaelrinaldi.com)
	 *	@since May 29, 2011
	 *
	 */
	public function randomString( p_length : int = 0 ) : String
	{
		
		if(p_length <= 0) return "";
		
		const CHARS_TABLE : String = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
		const NUMBERS_TABLE : String = "0123456789";

		var string : String = "";
		var flag : Boolean;
	
		while(string.length < p_length) {
			
			const table : String = flag ? CHARS_TABLE : NUMBERS_TABLE;
			const index : int = int(Math.random() * table.length);
			
			string += table.charAt(index);
			flag = Boolean((Math.random() * 100 | 0) % 2);
			
		}
	
		return string;
		
	}
	
}