Swift_Bug34Test testEmbeddedFilesWithMultipartDataCreateMultipartRelatedContentAsAnAlternative Pattern [~^Sender: Other <other@domain.tld> Message-ID: <1879bae8600b772917e1fb3d88ed0b67@app.abcservicescheltenham.co.uk> Date: Tue, 02 Jun 2026 02\:13\:01 \+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_1780330381_4af8873a43cdad603c471345fe0a7445_=_" --_=_swift_v4_1780330381_4af8873a43cdad603c471345fe0a7445_=_ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable plain part --_=_swift_v4_1780330381_4af8873a43cdad603c471345fe0a7445_=_ 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: <9bfa6ee2fc131207260103d2e1d62ea2@app.abcservicescheltenham.co.uk> PGltYWdlIGRhdGE\+ --\1-- --_=_swift_v4_1780330381_4af8873a43cdad603c471345fe0a7445_=_-- $~D] not detected in [String: Sender: Other <other@domain.tld> Message-ID: <1879bae8600b772917e1fb3d88ed0b67@app.abcservicescheltenham.co.uk> Date: Tue, 02 Jun 2026 02:13:01 +1000 Subject: test subject From: Other <other@domai...] at [/home/abcservices/app.abcservicescheltenham.co.uk/lib/swift/tests/bug/Swift/Bug34Test.php line 74]