Swift_Bug34Test testEmbeddedFilesWithMultipartDataCreateMultipartRelatedContentAsAnAlternative Pattern [~^Sender: Other <other@domain.tld> Message-ID: <8eb9307a76eb588b457c9382ba60271d@www.app.abcservicescheltenham.co.uk> Date: Wed, 29 Jul 2026 14\:32\:52 \+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_1785299572_d51b481e3ca9a18d37adf02398a9d1d6_=_" --_=_swift_v4_1785299572_d51b481e3ca9a18d37adf02398a9d1d6_=_ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable plain part --_=_swift_v4_1785299572_d51b481e3ca9a18d37adf02398a9d1d6_=_ 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: <bddca587f94498f8f4647766b4e80426@www.app.abcservicescheltenham.co.uk> PGltYWdlIGRhdGE\+ --\1-- --_=_swift_v4_1785299572_d51b481e3ca9a18d37adf02398a9d1d6_=_-- $~D] not detected in [String: Sender: Other <other@domain.tld> Message-ID: <8eb9307a76eb588b457c9382ba60271d@www.app.abcservicescheltenham.co.uk> Date: Wed, 29 Jul 2026 14:32:52 +1000 Subject: test subject From: Other <other@d...] at [/home/abcservices/app.abcservicescheltenham.co.uk/lib/swift/tests/bug/Swift/Bug34Test.php line 34]