Cauta si inlocuieste un sir de caractere

package utils
{
	public class StringUtil
	{
		/**
		 * replace
		 * 
		 * @param str: sirul in care se face cautarea
		 * @param strSearch: sirul cautat
		 * @param strReplace: sirul cu care se face inlocuirea
		 *
		 */
		public static function replace(str:String, strSearch:String, strReplace:String):String
		{
			return str.split(strSearch).join(strReplace);
		}
	}
}