[wp-trac] [WordPress Trac] #34939: Shortcode regex no longer matches [shortcode=XXX]

[WordPress Trac]

#34939: Shortcode regex no longer matches [shortcode=XXX]
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 Reporter:  kraftbj       |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.4.1
Component:  Shortcodes    |     Version:  4.4
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:
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Comment (by aaroncampbell):

 Replying to [comment:16 dd32]:

 I'm pretty sure that `[shortcode=var]` working was a "happy accident",
 with the expected version of that being `[shotcode var]`. I don't think it
 was ever documented as working (but I certainly don't claim canonical
 knowledge of this) in any "official" documentation (like we had that back
 then!). Having said that, it was clearly discovered rather
 quickly...probably because of it's common usage in bbcode?

 I think the best solution would be to add = to the list of reserved
 characters not allowed in a shortcode name. Personally I think that
 shortcode names should be `[\w-]`, but I know @miqrogroove did a lot of
 research into what people are already using.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34939#comment:18>
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