[wp-trac] [WordPress Trac] #11911: preg_match() Compilation failed: nothing to repeat at offset 1 in wp-includes/classes.php on line 210

[WordPress Trac]

#11911: preg_match() Compilation failed: nothing to repeat at offset 1 in wp-
includes/classes.php on line 210
-------------------------------+--------------------------------------------
 Reporter:  Denis-de-Bernardy  |       Owner:  ryan 
     Type:  defect (bug)       |      Status:  new  
 Priority:  normal             |   Milestone:  2.9.2
Component:  Permalinks         |     Version:  2.9.1
 Severity:  critical           |    Keywords:       
-------------------------------+--------------------------------------------

Comment(by Denis-de-Bernardy):

 var_dump($wp_rewrite->wp_rewrite_rules()) for a site that is affected:

 {{{
 array(64) {
   ["([0-9]+)/?$"]=>
   string(36) "index.php?now_reading_id=$matches[1]"
   ["tag/([^/]+)/?$"]=>
   string(37) "index.php?now_reading_tag=$matches[1]"
   ["search/?$"]=>
   string(33) "index.php?now_reading_search=true"
   ["reader/([^/]+)/?$"]=>
   string(62)
 "index.php?now_reading_library=1&now_reading_reader=$matches[1]"
   ["([^/]+)/([^/]+)/?$"]=>
   string(70)
 "index.php?now_reading_author=$matches[1]&now_reading_title=$matches[2]"
   ["([^/]+)/?$"]=>
   string(40) "index.php?now_reading_author=$matches[1]"
   ["?$"]=>
   string(31) "index.php?now_reading_library=1"
   ["robots\.txt$"]=>
   string(18) "index.php?robots=1"
   [".*wp-atom.php$"]=>
   string(19) "index.php?feed=atom"
   [".*wp-rdf.php$"]=>
   string(18) "index.php?feed=rdf"
   [".*wp-rss.php$"]=>
   string(18) "index.php?feed=rss"
   [".*wp-rss2.php$"]=>
   string(19) "index.php?feed=rss2"
   [".*wp-feed.php$"]=>
   string(19) "index.php?feed=feed"
   [".*wp-commentsrss2.php$"]=>
   string(34) "index.php?feed=rss2&withcomments=1"
   ["feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(27) "index.php?&feed=$matches[1]"
   ["(feed|rdf|rss|rss2|atom)/?$"]=>
   string(27) "index.php?&feed=$matches[1]"
   ["page/?([0-9]{1,})/?$"]=>
   string(28) "index.php?&paged=$matches[1]"
   ["comments/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(42) "index.php?&feed=$matches[1]&withcomments=1"
   ["comments/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(42) "index.php?&feed=$matches[1]&withcomments=1"
   ["comments/page/?([0-9]{1,})/?$"]=>
   string(28) "index.php?&paged=$matches[1]"
   ["search/(.+)/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(40) "index.php?s=$matches[1]&feed=$matches[2]"
   ["search/(.+)/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(40) "index.php?s=$matches[1]&feed=$matches[2]"
   ["search/(.+)/page/?([0-9]{1,})/?$"]=>
   string(41) "index.php?s=$matches[1]&paged=$matches[2]"
   ["search/(.+)/?$"]=>
   string(23) "index.php?s=$matches[1]"
   ["category/(.+?)/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(52) "index.php?category_name=$matches[1]&feed=$matches[2]"
   ["category/(.+?)/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(52) "index.php?category_name=$matches[1]&feed=$matches[2]"
   ["category/(.+?)/page/?([0-9]{1,})/?$"]=>
   string(53) "index.php?category_name=$matches[1]&paged=$matches[2]"
   ["category/(.+?)/?$"]=>
   string(35) "index.php?category_name=$matches[1]"
   ["tags/(.+?)/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(42) "index.php?tag=$matches[1]&feed=$matches[2]"
   ["tags/(.+?)/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(42) "index.php?tag=$matches[1]&feed=$matches[2]"
   ["tags/(.+?)/page/?([0-9]{1,})/?$"]=>
   string(43) "index.php?tag=$matches[1]&paged=$matches[2]"
   ["tags/(.+?)/?$"]=>
   string(25) "index.php?tag=$matches[1]"
   ["author/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(50) "index.php?author_name=$matches[1]&feed=$matches[2]"
   ["author/([^/]+)/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(50) "index.php?author_name=$matches[1]&feed=$matches[2]"
   ["author/([^/]+)/page/?([0-9]{1,})/?$"]=>
   string(51) "index.php?author_name=$matches[1]&paged=$matches[2]"
   ["author/([^/]+)/?$"]=>
   string(33) "index.php?author_name=$matches[1]"
 ["([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(80)
 "index.php?year=$matches[1]&monthnum=$matches[2]&day=$matches[3]&feed=$matches[4]"
   ["([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(80)
 "index.php?year=$matches[1]&monthnum=$matches[2]&day=$matches[3]&feed=$matches[4]"
   ["([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/page/?([0-9]{1,})/?$"]=>
   string(81)
 "index.php?year=$matches[1]&monthnum=$matches[2]&day=$matches[3]&paged=$matches[4]"
   ["([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/?$"]=>
   string(63)
 "index.php?year=$matches[1]&monthnum=$matches[2]&day=$matches[3]"
   ["([0-9]{4})/([0-9]{1,2})/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(64)
 "index.php?year=$matches[1]&monthnum=$matches[2]&feed=$matches[3]"
   ["([0-9]{4})/([0-9]{1,2})/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(64)
 "index.php?year=$matches[1]&monthnum=$matches[2]&feed=$matches[3]"
   ["([0-9]{4})/([0-9]{1,2})/page/?([0-9]{1,})/?$"]=>
   string(65)
 "index.php?year=$matches[1]&monthnum=$matches[2]&paged=$matches[3]"
   ["([0-9]{4})/([0-9]{1,2})/?$"]=>
   string(47) "index.php?year=$matches[1]&monthnum=$matches[2]"
   ["([0-9]{4})/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(43) "index.php?year=$matches[1]&feed=$matches[2]"
   ["([0-9]{4})/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(43) "index.php?year=$matches[1]&feed=$matches[2]"
   ["([0-9]{4})/page/?([0-9]{1,})/?$"]=>
   string(44) "index.php?year=$matches[1]&paged=$matches[2]"
   ["([0-9]{4})/?$"]=>
   string(26) "index.php?year=$matches[1]"
   ["[^/]+/attachment/([^/]+)/?$"]=>
   string(32) "index.php?attachment=$matches[1]"
   ["[^/]+/attachment/([^/]+)/trackback/?$"]=>
   string(37) "index.php?attachment=$matches[1]&tb=1"
   ["[^/]+/attachment/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(49) "index.php?attachment=$matches[1]&feed=$matches[2]"
   ["[^/]+/attachment/([^/]+)/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(49) "index.php?attachment=$matches[1]&feed=$matches[2]"
   ["[^/]+/attachment/([^/]+)/comment-page-([0-9]{1,})/?$"]=>
   string(50) "index.php?attachment=$matches[1]&cpage=$matches[2]"
   ["([^/]+)/trackback/?$"]=>
   string(31) "index.php?name=$matches[1]&tb=1"
   ["([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(43) "index.php?name=$matches[1]&feed=$matches[2]"
   ["([^/]+)/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(43) "index.php?name=$matches[1]&feed=$matches[2]"
   ["([^/]+)/page/?([0-9]{1,})/?$"]=>
   string(44) "index.php?name=$matches[1]&paged=$matches[2]"
   ["([^/]+)/comment-page-([0-9]{1,})/?$"]=>
   string(44) "index.php?name=$matches[1]&cpage=$matches[2]"
   ["([^/]+)(/[0-9]+)?/?$"]=>
   string(43) "index.php?name=$matches[1]&page=$matches[2]"
   ["[^/]+/([^/]+)/?$"]=>
   string(32) "index.php?attachment=$matches[1]"
   ["[^/]+/([^/]+)/trackback/?$"]=>
   string(37) "index.php?attachment=$matches[1]&tb=1"
   ["[^/]+/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(49) "index.php?attachment=$matches[1]&feed=$matches[2]"
   ["[^/]+/([^/]+)/(feed|rdf|rss|rss2|atom)/?$"]=>
   string(49) "index.php?attachment=$matches[1]&feed=$matches[2]"
   ["[^/]+/([^/]+)/comment-page-([0-9]{1,})/?$"]=>
   string(50) "index.php?attachment=$matches[1]&cpage=$matches[2]"
 }
 }}}

-- 
Ticket URL: <http://core.trac.wordpress.org/ticket/11911#comment:1>
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