On Fri, Feb 12, 2016 at 7:27 AM, Timothy Gu <timothyg...@gmail.com> wrote: > -e 's/[^A-Za-z0-9]\{1\,\}/_/g' \
I don't think the comma is supposed to be escaped. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel