Swift_Bug34Test testEmbeddedFilesWithMultipartDataCreateMultipartRelatedContentAsAnAlternative Pattern [~^Sender: Other <other@domain.tld> Message-ID: <c74bc9e4e7b672934940396e5a5a9412@njlibertyhyundai.com> Date: Mon, 24 Aug 2026 12\:44\:28 \+1000 Subject: test subject From: Other <other@domain.tld> To: User <user@domain.tld> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="_=_swift_v4_1787539468_e57ee399adca776725795eb4f36152f5_=_" --_=_swift_v4_1787539468_e57ee399adca776725795eb4f36152f5_=_ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable plain part --_=_swift_v4_1787539468_e57ee399adca776725795eb4f36152f5_=_ Content-Type: multipart/related; boundary="(.*?)" --\1 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <img.*?/> --\1 Content-Type: image/gif; name=image.gif Content-Transfer-Encoding: base64 Content-Disposition: inline; filename=image.gif Content-ID: <abf057e932cb3fcfa0902fb20f0132b7@njlibertyhyundai.com> PGltYWdlIGRhdGE\+ --\1-- --_=_swift_v4_1787539468_e57ee399adca776725795eb4f36152f5_=_-- $~D] not detected in [String: Sender: Other <other@domain.tld> Message-ID: <c74bc9e4e7b672934940396e5a5a9412@njlibertyhyundai.com> Date: Mon, 24 Aug 2026 12:44:28 +1000 Subject: test subject From: Other <other@domain.tld> To:...] at [/var/www/njlibertyhyundai.com/public_html/php/classes/swift/tests/bug/Swift/Bug34Test.php line 74]