diff -up tex/latex/pkgloader/pkgloader.sty.nol3regex tex/latex/pkgloader/pkgloader.sty

--- tex/latex/pkgloader/pkgloader.sty.nol3regex	2020-05-12 15:43:34.909265349 -0400

+++ tex/latex/pkgloader/pkgloader.sty	2020-05-12 15:44:42.157074791 -0400

@@ -71,7 +71,6 @@

 %    \begin{macrocode}

 \RequirePackage{xparse}

 \RequirePackage{l3keys2e}

-\RequirePackage{l3regex}

 \RequirePackage{lt3graph}

 %    \end{macrocode}

 %

@@ -660,7 +659,7 @@

 %  

 %    \begin{macrocode}

     \prop_map_inline:Nn \g__pkgloader_known_pkg_prop {%%%%%%%%%%%%%%   ##1

-    \int_step_inline:nncn {1} {1} {g__pkgloader_count_(##1)_int} {%% ####1

+    \int_step_inline:nnvn {1} {1} {g__pkgloader_count_(##1)_int} {%% ####1

 %    \end{macrocode}

 %  

 %  If the current configuration should be loaded but still

@@ -767,9 +766,8 @@

 %    \end{macrocode}

 %    \uninteresting\begin{macrocode}

 }

-\cs_generate_variant:Nn \int_step_inline:nnnn  {nncn}

+\cs_generate_variant:Nn \int_step_inline:nnnn  {nnvn}

 \cs_generate_variant:Nn \bool_if:nT            {vT}

-\cs_generate_variant:Nn \withargs:nnn          {vvn}

 \cs_generate_variant:Nn \graph_gput_vertex:Nnn {Nnf}

 \graph_new:N \l__pkgloader_order_graph

 \tl_new:N    \l__pkgloader_used_configs_tl

@@ -836,8 +834,8 @@

     }

   }

 }

-\cs_generate_variant:Nn \withargs:nn {xn}

-\cs_generate_variant:Nn \withargs:nnnnn {vvfvn}

+\cs_generate_variant:Nn \withargs:nn {x}

+\cs_generate_variant:Nn \withargs:nnnnn {vvfv}

 %    \end{macrocode}

 %  

 %  And it needs the following auxiliary function to strip