Related Question:
Searching for a tag containing * breaks

I have tags in my "Interesting Tags" with wildcards, like html*, php* and so on. If I click on it it goes to http://stackoverflow.com/questions/tagged/php*, and all I get is a blank page. It used to be that clicking on them would take me to the page with questions tagged just php. What happened?

  • 1
    There's an issue with ASP.NET MVC and asterisks in the titles. Nevertheless, this is a dupe: meta.stackexchange.com/questions/1649/… Jul 17, 2009 at 4:34
  • Ah, I didn't see that other one. Sorry. Jeff says in that post that this was never supported, but it used to "degrade gracefully" such that clicking on a tag with wildcards actually took you to the tag page minus any wildcards. It's not behaving that way anymore, which I'd consider a bug. Jul 17, 2009 at 4:37
  • I suspect that it may not be (easily) possible to degrade gracefully if the URL contains an asterisk, but it would certainly be possible to make sure that a tag link doesn't contain an asterisk. Jul 17, 2009 at 4:44
  • This isn't an exact duplicate. I realize they are very closely related, but the other question is complaining about being unable to search for it, I never attempted such a thing. It has always been the case that simply clicking on a tag with wildcards behaved a certain way, and it stopped doing this very recently. This is a bug. Jul 17, 2009 at 5:56
  • They're both symptoms of the same problem. It's not whether you clicked on a wildcard tag or searched for a wildcard tag, it's that you included an asterisk in the URL that causes the blank page. Jul 17, 2009 at 6:23
  • 1
    Apparently this is a very recent change where clicking on wildcard tags brings up a blank page, so I'll reopen. (hopefully this will be good enough for meta.stackexchange.com/questions/6500/…) Jul 17, 2009 at 14:40
  • yes, it's good enough. Could you please tag it properly (or at least copy tags from my question). Apparently, auto suggestions are not that great. Jul 17, 2009 at 14:46

1 Answer 1


We now replace the client wildcard (*) with the server wildcard (~) on tags.

However, be careful, because the server has rules that the client does not. Most notably, any wildcard searches MUST be a minimum of 4 characters in length (not including the wildcard chars themselves), or they are ignored.

  • So that's why geo* doesn't bring back all the results for geospatial and geolocation as well :( Feb 16, 2010 at 13:55

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