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PHP Regular expression: exclude href anchor tags

I'm creating a simple search for my application.

I'm using PHP regular expression replacement (preg_replace) to look for a search term (case insensitive) and add tags around the search term.

preg_replace('/'.$query.'/i', '$0', $content);

Now I'm not the greatest with regular expressions. So what would I add to the regular expression to not replace search terms that are in a href of an anchor tag?

That way if someone searched "info" it wouldn't change a link to "http://something.com/this_info/index.html"

6
задан Jonathan Leffler 24 April 2011 в 04:45
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