I was searching for tags with 'new' in them on SO, and discovered a tag [new-] (1), which most likely doesn't belong. So I clicked through on it to see the question that's tagged with it. The URL I was taken to is https://stackoverflow.com/questions/tagged/new-.

The resulting list of questions is identical to the listing of questions with the tag [new].

To find that single question, I have to use this URL: https://stackoverflow.com/questions/tagged/new--

This behaviour is also reproducible using the search box. Putting in '[new-]' results in the same list as if I had put in '[new]', and finally using '[new--]' I can find that single question.

Now, this isn't a huge deal because these tags need to be removed (right?), but this was not the behaviour I expected when clicking/searching. I also found [init-] by coincidence -- how many others are like this?

  • This reminds me of something - is there any easy way to find tags ending with some character? Or maybe even tags that only differ in their last character (e.g. singular vs. plural)? – Georg Fritzsche Apr 6 '10 at 4:15
  • @gf: Unfortunately, no, not that I'm aware of (if there was, I would make heavy use of it). Dashes are ignored in tag searches. – Jon Seigel Apr 6 '10 at 12:46

This was fixed, probably like 2 years ago - though that tag no longer exists. Also, no tags can end like that anymore, the dashes on the end are automatically stripped if it's attempted.

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