Ticket #9316: Regexp-Fix.diff

wp-includes/formatting.php

@@ -1516 +1516 @@
 
         // LOCAL PART
         // Test for invalid characters
-        if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', $local ) ) {
+        $local = preg_replace( '/[^a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]/', '', $local );
+        if ( '' === $local ) {
                 return apply_filters( 'sanitize_email', '', $email, 'local_invalid_chars' );
         }