When I input [asdf][lisp] into the search field on http://stackoverflow.com, without being logged in, only one tag remains. Is it broken?

  • Are the tags synonyms? Also - without knowing the tags an the site, we can't really investigate, can we? – Oded Nov 21 '14 at 12:39
  • I just tried it here, in the Meta search - no repro. Entered [asd][asdf], both were used. – Oded Nov 21 '14 at 12:40
  • You put [asdf] as a tag? – Oded Nov 21 '14 at 12:59
  • Exactly as it is in the question. – Smit Johnth Nov 21 '14 at 13:01
  • Seems to work OK for me, both tags remain. – PeterJ Nov 21 '14 at 13:02
  • I entered [asdf][lisp] on Stack Overflow search. Still no repro. I see both tags. 20 questions tagged with both. – Oded Nov 21 '14 at 13:02
  • Try to log out and click stackoverflow.com/questions/tagged/asdf+lisp :) – Smit Johnth Nov 21 '14 at 13:05

We only allow a single tag search for anonymous users at this time.

So yes, we will strip out the remaining tags when searching as anonymous.

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    What the heck??? 1) Why? 2) Why silently removing? I usually surf unlogged in. – Smit Johnth Nov 21 '14 at 13:10
  • It was a quick response to a DDOS attempt. We are still evaluating how to bring back this functionality. – Oded Nov 21 '14 at 13:14
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    Well, silently failing is definitively a bug. – Smit Johnth Nov 21 '14 at 13:16
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    Like I said, we were in a middle of a DDOS, not really a moment to write refined solutions. – Oded Nov 21 '14 at 13:27
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    Do you plan to remove this behaviour? If yes - when? – Smit Johnth Dec 3 '14 at 22:26
  • @Smit there is a fair chance this will become permanent, if the team will find out this is a risk to the whole system. I agree it should be better documented though. (e.g. a banner will appear when the system strips tags away) – Shadow The Princess Wizard Dec 7 '14 at 8:43
  • So is this a dupe of this one? meta.stackexchange.com/questions/242639/… – Shadow The Princess Wizard Apr 3 '15 at 22:11
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    @Oded has SE evaluated how to bring back this functionality yet? ;) – ᔕᖺᘎᕊ Apr 3 '15 at 22:11
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    It is there for non anonymous users, @ᔕᖺᘎᕊ – Oded Apr 4 '15 at 7:36
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    @Oded you can't provide search links on other sites then - unloggen in users cannot use it. And still no error message. – Smit Johnth Apr 11 '15 at 16:57
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    Note that this also happens when using foo bar instead of [foo] [bar] which is even more of a problem. I shouldn't run a tag search just because the word I entered happens to be a tag, and I certainly shouldn't have one of my search terms removed with no explanation. Especially when it works as expected on the actual search page. I understand this was to protect from a DDoS attack, but that shouldn't affect search terms that are not explicitly entered as tags but as regular strings. – terdon - stop harming Monica Sep 25 '15 at 14:17
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    This still happens. If you're not going to re-enable it for anonymous users, can you make a note on the search page when additional tags are stripped out? – Kevin Mills Aug 29 '16 at 15:17
  • @KevinMills it seems to work for anonymous users when you append "is:question" or "is:answer" to your query, so for example following query should return questions tagged with [tags] and [search] and [bug]: [tags][search][bug] is:question – Leszek Nov 21 '16 at 12:43
  • "at this time" - over two years later, is this about to change? (if not, better remove this part) – Shadow The Princess Wizard Jan 16 '17 at 11:19
  • @Sha - talking with the team to see if we can relax this or not. – Oded Jan 16 '17 at 12:49

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