The StringValidator class validates that a string length is within a specified range. The following example ensures that a string is between 6 and 12 characters long:
Code Samples:
<?xml version="1.0"?>
<!-- validators\StringExample.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Form id="membershipForm">
<mx:FormItem id="fullNameItem" label="Full Name">
<!-- Not validated -->
<mx:TextInput id="fullNameInput"/>
</mx:FormItem>
<mx:FormItem id="userNameItem" label="Username">
<mx:TextInput id="userNameInput"/>
</mx:FormItem>
</mx:Form>
<mx:StringValidator source="{userNameInput}" property="text"
minLength="6" maxLength="12"/>
</mx:Application>
