diff --git a/rosapps/sysutils/regexpl/.cvsignore b/rosapps/sysutils/regexpl/.cvsignore
new file mode 100644
index 00000000000..0f80c9e6c1f
--- /dev/null
+++ b/rosapps/sysutils/regexpl/.cvsignore
@@ -0,0 +1 @@
+*.mak *.coff