1:  <?xml version="1.0" encoding="utf-8"?>

   2:  <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 

   3:      xmlns:s="library://ns.adobe.com/flex/spark" pageTitle="Flex Regular Expressions" 

   4:      xmlns:mx="library://ns.adobe.com/flex/halo" height="400" 

   5:      viewSourceURL="srcview/index.html" creationComplete="init()">

   6:      

   7:      <s:layout>

   8:          <s:BasicLayout/>

   9:      </s:layout>

  10:      

  11:      <fx:Script>

  12:          <![CDATA[

  13:          import mx.skins.spark.ButtonSkin;

  14:          private var error:String;

  15:      

  16:          protected function test_btn_clickHandler(event:MouseEvent):void

  17:          {

  18:              var restr:String = regexpInput.text;

  19:              var input:String = textInput.text;

  20:              var igstr:String = modifInput.text;

  21:              

  22:              this.error = null;

  23:              

  24:              if(restr != null && restr != '' && input != null && input != '') {

  25:                  var myPattern:RegExp = new RegExp(restr, igstr);

  26:   

  27:                  var result:Object = myPattern.exec(input);

  28:                  

  29:                  var a:String = '';

  30:                  var b:String = '<br />';

  31:                  var index:int = 0;

  32:   

  33:                  while (result != null) {

  34:                      // copy string from last match

  35:                      a += '<span>' + encode(input.substring(index, result.index)) + '</span>';

  36:                      index = result.index;

  37:                      

  38:                      // copy the matching parts

  39:                      a += '<span color="#339933">' + encode(result[0]) + '</span>'

  40:                      index += result[0].length;                

  41:   

  42:                      // create the trace string

  43:                      b += '<br /> ' + result.index + '\t'; 

  44:                      for(var i:int = 0; i<result.length; i++) {

  45:                          b += result[i] + ',';

  46:                      }

  47:                      

  48:                      if(igstr.indexOf('g') == -1) {

  49:                          a+= input.substr(index);

  50:                          break;

  51:                      }

  52:                      result = myPattern.exec(input);

  53:                  }

  54:                              

  55:                  a += '';

  56:                  resultText.content = a + b;

  57:              }

  58:          }

  59:                      

  60:          protected function encode(string:String):String {

  61:              var htmlString:String = string.replace(/\n/g, "<br />");

  62:   

  63:              return htmlString;

  64:          }

  65:          ]]>

  66:      </fx:Script>

  67:   

  68:      <s:Panel id="contentPane" width="100%" height="100%" left="0" 

  69:          title="Flex Regular Expressions" >

  70:          

  71:          <s:TextArea left="10" right="10" height="150" top="10" 

  72:              text="She sells seashells by the seashore" id="textInput" />

  73:          <s:TextInput text="(\w*)sh(\w*)" id="regexpInput" left="10" top="168" right="175"/>

  74:          <s:TextInput id="modifInput" text="ig" right="85" top="168" width="78"/>

  75:          <s:Button label="test" id="test_btn" right="10" top="168" 

  76:              click="test_btn_clickHandler(event)"/>

  77:          <s:TextArea id="resultText" left="10" right="10" top="198" bottom="10"/>

  78:      </s:Panel>

  79:      

  80:  </s:Application>