StringValidator for Form text input

     

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<!-- validators\StringExample.mxml -->
<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">
    <mx:Form id="membershipForm">
        <mx:FormItem id="fullNameItem" label="Full Name">
            <!-- Not validated -->
            <s:TextInput id="fullNameInput" />
        </mx:FormItem>
        <mx:FormItem id="userNameItem" label="Username">
            <s:TextInput id="userNameInput" />
        </mx:FormItem>
    </mx:Form>
    <fx:Declarations>
        <mx:StringValidator source="{userNameInput}"
            property="text" minLength="6" maxLength="12" />
    </fx:Declarations>
</s:Application>

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StringValidator for Form text input : StringValidator « Data Model « Flex

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