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Here's my problem: Rather than hanging around on SO all the time, I would like to create filters, e.g. [c++], "arrays", "opencv", so that when someone posts a question with these in the taglist or the body of the question, I get alerted by email. Or I get them as an RSS feed, or some similar. You get the idea.

Is there a service that currently does this? If not, would you be interested in such a thing, since I'll be building one for myself.

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up vote 3 down vote accepted

Currently, you can get a feed of questions with certain tags or combinations of tags, but not the results of a search involving text input.

I'm a bit uncertain if the latter is what you meant, but regardless, the two strings you mention are tags, so here you go:

Feed of all questions with [c++] or [arrays] or [opencv]

When you're on a /tagged page, there is a link to the feed at the very bottom of the page.

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Thanks, I didn't know about the filtered RSS feed functionality for SO. – recipriversexclusion Jul 18 '10 at 3:48

I don't know if this is what you're looking for, but...

I could easily extend it to show questions that match a tag.

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