Swift_Bug34Test testEmbeddedFilesWithMultipartDataCreateMultipartRelatedContentAsAnAlternative Pattern [~^Sender: Other <other@domain.tld> Message-ID: <29d852e02a4a93266785fb31949a0a9d@www.app.abcservicescheltenham.co.uk> Date: Tue, 02 Jun 2026 02\:14\:23 \+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_1780330463_2753d9ab559f8ceab46ca7bf2b2d5366_=_" --_=_swift_v4_1780330463_2753d9ab559f8ceab46ca7bf2b2d5366_=_ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable plain part --_=_swift_v4_1780330463_2753d9ab559f8ceab46ca7bf2b2d5366_=_ 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: <90c693d54acb6dd5d9098106bc35afc6@www.app.abcservicescheltenham.co.uk> PGltYWdlIGRhdGE\+ --\1-- --_=_swift_v4_1780330463_2753d9ab559f8ceab46ca7bf2b2d5366_=_-- $~D] not detected in [String: Sender: Other <other@domain.tld> Message-ID: <29d852e02a4a93266785fb31949a0a9d@www.app.abcservicescheltenham.co.uk> Date: Tue, 02 Jun 2026 02:14:23 +1000 Subject: test subject From: Other <other@d...] at [/home/abcservices/app.abcservicescheltenham.co.uk/lib/swift/tests/bug/Swift/Bug34Test.php line 74]