2 files changed, 27 insertions, 0 deletions
diff --git a/tests/lang/eval-okay-regex-match.exp b/tests/lang/eval-okay-regex-match.exp
new file mode 100644
index 000000000000..27ba77ddaf61
--- /dev/null
+++ b/tests/lang/eval-okay-regex-match.exp
@@ -0,0 +1 @@
+true
diff --git a/tests/lang/eval-okay-regex-match.nix b/tests/lang/eval-okay-regex-match.nix
new file mode 100644
index 000000000000..ae6501532d11
--- /dev/null
+++ b/tests/lang/eval-okay-regex-match.nix
@@ -0,0 +1,26 @@
+with builtins;
+
+let
+
+  matches = pat: s: match pat s != null;
+
+  splitFN = match "((.*)/)?([^/]*)\\.(nix|cc)";
+
+in
+
+assert  matches "foobar" "foobar";
+assert  matches "fo*" "f";
+assert !matches "fo+" "f";
+assert  matches "fo*" "fo";
+assert  matches "fo*" "foo";
+assert  matches "fo+" "foo";
+assert  matches "fo{1,2}" "foo";
+assert !matches "fo{1,2}" "fooo";
+assert !matches "fo*" "foobar";
+
+assert match "(.*)\\.nix" "foobar.nix" == [ "foobar" ];
+
+assert splitFN "/path/to/foobar.nix" == [ "/path/to/" "/path/to" "foobar" "nix" ];
+assert splitFN "foobar.cc" == [ null null "foobar" "cc" ];
+
+true