[wp-trac] [WordPress Trac] #45644: Warning: preg_match(): Compilation failed in class-wp-block-parser.php line 382

[WordPress Trac]

#45644: Warning: preg_match(): Compilation failed in class-wp-block-parser.php line
382
--------------------------+-----------------------------
 Reporter:  ledavdotnet   |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  5.0.1
 Severity:  normal        |   Keywords:  has-patch
  Focuses:                |
--------------------------+-----------------------------
 Hi,

 Since I updated to wordpress 5.01 I got the following warning in pages:

 Warning: preg_match(): Compilation failed: unrecognized character after
 (?< at offset 10 in /disk2/wordpress/wp-includes/class-wp-block-parser.php
 on line 382

 The PHP I'm using is:
 PHP 5.3.3 (cli) (built: Oct 31 2014 09:53:00)
 Copyright (c) 1997-2010 The PHP Group
 Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies

 On a CentOS 5 distribution.

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Ticket URL: <https://core.trac.wordpress.org/ticket/45644>
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