i need plugin

<div>Dear All,</div>
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<div>i need form validation plugin which works like this.</div>
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<div>=> error message display in inline of filed.</div>
<div>=>if the value of field is correct then display the message like thank you or job etc</div>
<div> </div>
<div>if any body have any material or idea please share with us.</div>
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<div>birgunj</div>