[wp-trac] [WordPress Trac] #12690: Square brackets breaking links that contain square brackets

[WordPress Trac]

#12690: Square brackets breaking links that contain square brackets
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 Reporter:  iandstewart            |       Owner:  wonderboymusic
     Type:  defect (bug)           |      Status:  reopened
 Priority:  normal                 |   Milestone:  4.0
Component:  Formatting             |     Version:
 Severity:  normal                 |  Resolution:
 Keywords:  wptexturize has-patch  |     Focuses:
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Comment (by miqrogroove):

 I am in favor of 12690.3.diff.

 Performance results:

 Adding the one possessive quantifier outside the shortcode subgroup gives
 about 2% faster CPU time for handling that one regexp only.

 When also adding possessives in other places, there is no additional
 benefit.  Placing a new possessive inside the subgroup could create a
 "nested indefinite repeat" which would take more CPU time as explained in
 the PHP manual.  Also, patterns such as {{{[^>]+>}}} might be optimized
 internally, which would explain why there is no difference from
 {{{[^>]++>}}}.

 12690.3.diff appears to be optimal.

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Ticket URL: <https://core.trac.wordpress.org/ticket/12690#comment:39>
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