what are invalid character for anchor tag

my application was developed in asp.net mvc 4. we have list of jobs.

now we have allowed all special characters in job name, but 

</ characters causes issue in creating <a> anchor tag. I have also tried to create anchor tag with these character on w3schools.com example. I noticed the same thing.

for example, job name => Test </ Test
but it will render ONLY "Test" NOT "Test </ Test".

We are creating this link in "fnRowCallback" using javascript as it is listing of jobs and for that we have used jquery datatable http://legacy.datatables.net/.

Please help me, how to prevent the characters using regular expression on JobName model property.

Thanks in advance.

Jon Skeet
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If you mean for the display part of the anchor tag, everything should be fine - you should be getting ASP.NET MVC to perform any escaping required to represent your text properly in HTML, e.g. using @Html.AnchorLink(...). It's far better to be able to escape everything than to have to restrict your input :)

In general, raw data should never be written directly to the HTML - it can represent a huge security risk, for example. It should always be handled with the appropriate escaping, which should almost always be performed by the web presentation framework you're using rather than by any hand-crafted code.

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