Hi,
You better post this question in a ASPNET NG, or even one of javascript.
You will have to look nito all of the document's items but not blindly
(cause you do not want the hidden elements to show)
when found you need to inject html code to hightlight it

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Ignacio Machin
http://www.laceupsolutions.com
Mobile & warehouse Solutions.
> Hi,
>
[quoted text clipped - 4 lines]
> Regards,
> Ankit!!