[wp-trac] [WordPress Trac] #54046: Uncaught SyntaxError: Invalid regular expression

[WordPress Trac]

#54046: Uncaught SyntaxError: Invalid regular expression
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 Reporter:  mmakenzi           |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Posts, Post Types  |     Version:  5.8
 Severity:  normal             |  Resolution:
 Keywords:                     |     Focuses:  javascript
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Comment (by mmakenzi):

 I tested something else
 I installed version 4.8 and check if add a new post page has any error or
 not
 there was no error in the console
 then I updated the version directly to 5.8 and the error was in the
 console once again

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Ticket URL: <https://core.trac.wordpress.org/ticket/54046#comment:1>
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