var str:String = "Строка 123 Вася Петя";

str = str.replace("123", "<font color=\"#ff0000\">123</font>");

 

var tf:TextField = new TextField();

tf.htmlText = str;

 

addChild(tf);

searchString.search(value.toLowerCase());

private function testFind():void

{

        var input:String = "Plus followed by square bracket: +]. Yet another plus + and a bracket ], once again, but together: +]";

        var expression:RegExp = /\+\]/g;

        var result:Object;

        var output:Array = [];

        var lastIndex:int;

        var match:String = "";

 

        while (result = expression.exec(input))

        {

                match = String(result);

                trace(result, result.length, expression.lastIndex);

                output.push(

                        input.substring(lastIndex, 

                                expression.lastIndex - match.length),

                        input.substr(expression.lastIndex - match.length, match.length));

                lastIndex = expression.lastIndex + match.length;

        }

        output.push(input.substr(input.length - 

                (expression.lastIndex - match.length)));

        trace(output.join("\r-----\r"));

}