i'm trying to compile a tex file and end up with the following error LaTeX Error: File `l3regex.sty' not found. trying the find the file with # e-file l3regex.sty [I] dev-texlive/texlive-latexrecommended Available Versions: 2014 2015-r1 2012-r1 2017 2016 Last Installed Ver: 2019-r2(Tue 05 Nov 2019 23:40:08 CET) Description: TeXLive LaTeX recommended packages Matched Files: /usr/share/texmf-dist/tex/latex/l3experimental/l3str/l3regex.sty; output this but the package texlive-latexrecommended doesn't include the file. Isn't the file included in gentoo anymore?
Upstream simply does not include this macro anymore.