ActionScript使用正则表达式示例

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import mx.controls.Alert;
public function check(event:Event):void{
var name:String=this.username.text;
var password:String=this.password.text;
var birthday:String=this.birthday.text;
var reg1:String=this.reg1.text;
//匹配日期
var pattern:RegExp=new RegExp("\\d{4}-\\d{2}-\\d{2}");
var pattern2:RegExp=new RegExp("\\w{4}");
//匹配汉字
var pattern3:RegExp=new RegExp("^[a-zA-Z0-9]+$");
//匹配汉字
var pattern4:RegExp=new RegExp("[\u4e00-\u9fa5]");
//匹配邮箱
var pattern5:RegExp=new RegExp("^\\w+@\\w+\\.\\w+$");
// if(pattern.test(birthday)){
// Alert.show("邮箱格式正确");
// }
if(pattern4.test(reg1)){
Alert.show("格式正确");
}else{
Alert.show("格式有误");
}
}
]]>
</fx:Script>
<s:Label x="136" y="42" text="用户名" />
<s:TextInput x="180" y="42" id="username"/>
<s:Label x="148" y="103" text="密码"/>
<s:TextInput x="180" y="93" id="password"/>
<s:Label x="149" y="146" text="生日" />
<s:TextInput x="180" y="135" id="birthday" text="1989-12-25"/>
<s:Label x="124" y="193" text="测试字符" />
<s:TextInput x="180" y="183" id="reg1" />
<s:Button x="180" y="232" label="登录" click="check(event)"/>
</s:Application>