[wp-trac] [WordPress Trac] #28506: Control (non-printing) characters not being stripped out.

[WordPress Trac]

#28506: Control (non-printing) characters not being stripped out.
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 Reporter:  mauteri                       |       Owner:
     Type:  defect (bug)                  |      Status:  new
 Priority:  normal                        |   Milestone:  4.0
Component:  Formatting                    |     Version:  3.8
 Severity:  normal                        |  Resolution:
 Keywords:  needs-testing kses has-patch  |     Focuses:
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Comment (by miqrogroove):

 Also tested the regex with and without a quantifier after the character
 class.  Adding a + allows consecutive chars to be replaced more quickly,
 but at the expense of more time spent searching in subject strings that
 don't have them.  Since posts should not have these control chars at all,
 we do not need to optimize for replacement performance.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28506#comment:14>
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