<script src="SpryAssets/SpryValidationTextField.js" type="text/javascript"></script>
<link href="SpryAssets/SpryValidationTextField.css" rel="stylesheet" type="text/css" />
<form id="form1" name="form1" method="post" action="">
<span id="sprytextfield1">
<input type="text" name="text1" id="text1" />
<span class="textfieldRequiredMsg">A value is required.</span><span class="textfieldInvalidFormatMsg">Invalid format.</span></span>
</form>
<script type="text/javascript">
var sprytextfield1 = new Spry.Widget.ValidationTextField("sprytextfield1", "custom", {characterMasking: /[a-zA-Z0-9-]/, useCharacterMasking:true});
</script>