replace the last uses of QRegExp. (#743)
authortsteven4 <13596209+tsteven4@users.noreply.github.com>
Mon, 25 Oct 2021 00:15:15 +0000 (18:15 -0600)
committerGitHub <noreply@github.com>
Mon, 25 Oct 2021 00:15:15 +0000 (18:15 -0600)
commitcc0364c6e0012dbc5477795eec2aa2d11bc57080
tree503b5635d35552eeb058856f58c1ae3bfd7aafe6
parentda6fe4cb4adb6412c422c6596fc66b3db7899420
replace the last uses of QRegExp. (#743)

also, correct the discard documentation.  The given example didn't
work in recent releases.
discard.cc
discard.h
trackfilter.cc
trackfilter.h
xmldoc/filters/options/discard-matchname.xml