note 115260 deleted from regexp.reference.escape by salathe

From: Date: Wed, 25 Jun 2014 10:28:40 +0000
Subject: note 115260 deleted from regexp.reference.escape by salathe
References: 1  Groups: php.notes 
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Note Submitter: php at accelocom dot com ---- "so it is always safe to precede a non-alphanumeric with "\" to specify that it stands for itself" except if it is a " or '.

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