Enhancing q2a 1.7 search function suggestion

Question

If we could do more targeted search on q2a it would be nice. Something that will look like this :

to search a tag we could type : "tag: tagname" in search field.

same for user: "user: username"

What do you think ?

Thank you

Comments

Great Idea...

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The search should be smart enough and show boxes: 1. Tags found 2. users found 3. content found etc. Or some according checkboxes to filter results.

"Normal" users will not know about this "tags:"-feature, and even if, they would probably not use it. So it's more for us pros :)

PS: Most users don't even know that you can filter searches in google with "filetype:pdf" etc.....

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I wonder what technologie does quora, facebook and big website uses to perform very target with real time suggestion search....