From 14e6a08ffa226e4e084a9e30e87ee45dec0eee49 Mon Sep 17 00:00:00 2001
From: ugeorge <ugeorge@kth.se>
Date: Thu, 17 Oct 2019 13:25:54 +0200
Subject: [PATCH] addresses #15

---
 src/forsyde-tikz.sty | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/forsyde-tikz.sty b/src/forsyde-tikz.sty
index fec4768..9d79be3 100644
--- a/src/forsyde-tikz.sty
+++ b/src/forsyde-tikz.sty
@@ -25,6 +25,7 @@
 \NeedsTeXFormat{LaTeX2e}
 \RequirePackage{pgfplots}
 \RequirePackage{pgfkeys}
+\IfFileExists{l3regex.sty}{\RequirePackage{xparse,l3regex}}{\RequirePackage{xparse}\RequirePackage{expl3}}
 \RequirePackage{xparse,l3regex}
 \RequirePackage{calc}
 \RequirePackage{ezkeys}