diff --git a/data/en/infix b/data/en/infix
new file mode 100644
index 000000000..b88818006
--- /dev/null
+++ b/data/en/infix
@@ -0,0 +1,2 @@
+(?<=[^-])-(?=\w)
+(?<=[a-z])\.(?=[A-Z])