fix regex misinterpreting tag name in badly formed HTML
See merge request pleroma/pleroma-fe!1835
(cherry picked from commit 624af7ed00)
00b47e16 fix regex misinterpreting tag name in badly formed HTML, prevent rich
5e656cc0 Merge remote-tracking branch 'origin/develop' into harden-parser
10e28f6c changelog
0109724a case insensititvy