hi all,

I have some user-supplied text on a content driven site.  
I am allowing <A> tags inside the main text, BUT I want 
any links to external sites (not on the chosen domain) 
to include a ' TARGET="_new" ' element.


<A HREF="http://www.mydomain.com/mypage.php";>something</a> is fine
<A HREF="http://www.yourdomain.com/yourpage.php";>something</a> is wrong
<A HREF="http://www.yourdomain.com/yourpage.php";
TARGET="_new">something</a> is fine

And of course there are all the variants with and without 
the www, and with and without sub directories and pages.

I'[d also like to make sure the dopey people have put a 
close tag in.

I've got a few ideas on how it might be done, but I need
to do it the right way, avoiding slight human errors etc.

Has anyone got something written, or can point me in the 
right direction?

Justin French

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