1.邮件验证

<mx:EmailValidator
        id="emailV"
        source="{txtEmail}"
        property="text"
        invalidCharError="非法字符"
        invalidDomainError="非法域"
        invalidIPDomainError="非法IP域"
        missingAtSignError="缺少@符"
        missingPeriodInDomainError="缺少域后缀"
        missingUsernameError="缺少用户名"/>
2.字符串长度验证
<mx:StringValidator source="{fname}" property="text"
        tooShortError="字符串太短了，请输入最少4个字符. "
        tooLongError="字符串太长了，请输入最长20个字符. "
        minLength="4" maxLength="20"
        trigger="{myButton}" triggerEvent="click"
        valid="Alert.show('字符串格式正确!');"/>  
3.日期验证
<mx:DateValidator source="{txtDate}" property="text"
        required="true" requiredFieldError="请输入日期"
        allowedFormatChars="-" inputFormat="YYYY-MM-DD"
        trigger="{btnSubmit}" triggerEvent="click"
        valid="mx.controls.Alert.show('验证成功');"
        invalid="mx.controls.Alert.show('验证失败');"
        wrongDayError="日输入错误"
        wrongMonthError="月输入错误"
        wrongYearError="年输入错误"
        wrongLengthError="日期长度错误"
        invalidCharError="日期分隔符错误"
        formatError="inputFormat 配置错误"/>
4.英文字母验证
 <mx:RegExpValidator id="regExpValidator" 
        source="{txtInput}" property="text" 
        flags="g,i" expression="^[a-z]+$" 
        valid="handleResult(event)" invalid="handleResult(event)"
        trigger="{btnSubmit}" triggerEvent="click"
        noMatchError="请输入正确的英文字母"
        required="false"/>
5.年龄验证
<mx:NumberValidator id="ageV" source="{ageTI}" property="text"
    domain="int"
    minValue="6"
    maxValue="100"
    lowerThanMinError="年龄过小！"
    exceedsMaxError="年龄过大！"
    integerError="年龄必须是整数！"
    invalidCharError='输入了非数字字符！'
    requiredFieldError="必须输入年龄！"
    trigger="{btn}" triggerEvent="click"/>
6.性别验证
<mx:Validator id="sexV" source="{sexRBG}" property="selectedValue"
    requiredFieldError="必须选择性别！"
    trigger="{btn}" triggerEvent="click"
    listener="{maleRB}"/>
   <mx:FormItem label="性别：" direction="horizontal" width="200">
        <mx:RadioButtonGroup id="sexRBG">
            <mx:RadioButton id="maleRB" groupName="sexRBG" label="男" value="1"/>
            <mx:RadioButton id="femaleRB" groupName="sexRBG" label="女" value="0"/>
        </mx:RadioButtonGroup>
   </mx:FormItem>