Foucault [1] filed a deletion request for python2-regex-hg [2]: Upstream moved from mercurial to git. To keep naming conventions a new package has been created (python2-regex-git).
[1] https://aur.archlinux.org/account/Foucault/ [2] https://aur.archlinux.org/pkgbase/python2-regex-hg/
