>* "insource:★" search has no results. [https://en.wikipedia.org/w/index.php?search=insource%3A%E2%98%85&title=Special%3ASearch&go=Go]
>* "insource:/★/" search (i.e. the regex version of the search) has 81 results. [https://en.wikipedia.org/w/index.php?title=Special:Search&limit=500&offset=0&ns0=1&ns4=1&ns6=1&ns14=1&search=insource%3A%2F%E2%98%85%2F]
>* A simple "★" has only one result [https://en.wikipedia.org/w/index.php?title=Special%3ASearch&profile=advanced&search=%E2%98%85&fulltext=Search&ns0=1&ns14=1&profile=advanced], [[Star (glyph)]], which was not returned on either previous search?
>* "intitle:★" has no results [https://en.wikipedia.org/w/index.php?search=intitle%3A%E2%98%85&title=Special%3ASearch&go=Go], though [[★]], [[★Macy*s]] and [[★NSYNC]] all are suggested by autocomplete.
>* And none of the searches finds the articles [[Emoji]] or [[Miscellaneous Symbols]] which also contain the black star symbol in their text.