I couldn't find a similar question, forgive me if this is a duplicate. To illustrate the problem, I'll use the following example on SO:

We previously had java-ee, java-ee-5, java-ee-6 questions so I have java-ee* in my list of interesting tags which is translated into https://stackoverflow.com/questions/tagged/java-ee~ (java-ee or java-ee-5 or java-ee-6).

But java-ee-5 and java-ee-6 questions have been retagged now and java-ee is the only tag left. The problem is that https://stackoverflow.com/questions/tagged/java-ee~ (java-ee or '') returns 0 questions while there are many (504+) questions with the java-ee tag.

IMO, https://stackoverflow.com/questions/tagged/java-ee~ should return the 504+ questions as well.

  • confirm. the link you give returns 0. this link (stackoverflow.com/questions/tagged/java-e~) gets all of them; note the single-character difference. (oops, except it also gets a few other tags. not quite as useful as i thought.) – quack quixote Mar 27 '10 at 11:44
  • @quack Indeed, but as you noticed java-e~ matches more than one tag. The bug is when there is only one match. – Pascal Thivent Mar 27 '10 at 12:49

There was an extra "or" being added to the end of the wildcard explode operation, which was preventing the single result case from working. Should be fixed now.

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