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WordPress fix Reply To: preg_match(): Compilation failed at wp-db.php on line 1657

Discussion in 'Misc WordPress Requests' started by WordPress.org Forums », Nov 22, 2017.

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    Reply To: preg_match(): Compilation failed at wp-db.php on line 1657, by

    Exactly the same issue with http://www.stmaryoftheangels.org.uk just now. “Warning: preg_match(): Compilation failed: unrecognized character after (?< at offset 4”. If you log out of the admin panel you can’t get back in.

    Thankfully backed up the Files and DB beforehand so could roll back to prior version and this fixed the issue. I’m not going to upgrade to 4.9 until the issue is fixed, either Easily or with WordPress.org.

    Reply To: preg_match(): Compilation failed at wp-db.php on line 1657
     
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