[wp-trac] [WordPress Trac] #24225: Improve regular expressions when matching attributes

[WordPress Trac]

#24225: Improve regular expressions when matching attributes
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 Reporter:  kovshenin    |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  3.6
Component:  General      |     Version:  trunk
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |
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Comment (by markjaquith):

 > it's trickier than I thought - can't use backreferences in character
 classes

 Looks like a negative lookahead might work:

 http://stackoverflow.com/questions/8055727/negating-a-backreference-in-
 regular-expressions

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Ticket URL: <http://core.trac.wordpress.org/ticket/24225#comment:6>
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