diff --git a/Units/conflib-recursive.d/features b/Units/conflib-recursive.d/features
index a598e929af..e717359d76 100644
--- a/Units/conflib-recursive.d/features
+++ b/Units/conflib-recursive.d/features
@@ -1 +1,2 @@
 option-directory
+regex
diff --git a/Units/conflib-simple.d/features b/Units/conflib-simple.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/conflib-simple.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/ctags-simple.d/features b/Units/ctags-simple.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/ctags-simple.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/dosbatch_test.cmd.t/features b/Units/dosbatch_test.cmd.t/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/dosbatch_test.cmd.t/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/matlab-tg-corpus.d/features b/Units/matlab-tg-corpus.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/matlab-tg-corpus.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/matlab_backtracking.m.t/features b/Units/matlab_backtracking.m.t/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/matlab_backtracking.m.t/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/matlab_test.m.t/features b/Units/matlab_test.m.t/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/matlab_test.m.t/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/mib-simple.d/features b/Units/mib-simple.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/mib-simple.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/noext-tg-matlab.d/features b/Units/noext-tg-matlab.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/noext-tg-matlab.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/option-corpora-conflicts.d/features b/Units/option-corpora-conflicts.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/option-corpora-conflicts.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/option-disable-kind-in-builtin.d/features b/Units/option-disable-kind-in-builtin.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/option-disable-kind-in-builtin.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/option-lang-compatibility.d/features b/Units/option-lang-compatibility.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/option-lang-compatibility.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/option-same-kind-in-regex-and-builtin.d/features b/Units/option-same-kind-in-regex-and-builtin.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/option-same-kind-in-regex-and-builtin.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/regex-flag-long.d/features b/Units/regex-flag-long.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/regex-flag-long.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/regex-flag-simple.d/features b/Units/regex-flag-simple.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/regex-flag-simple.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/rust-simple.d/features b/Units/rust-simple.d/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/rust-simple.d/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/simple.cbl.t/features b/Units/simple.cbl.t/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/simple.cbl.t/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/simple.html.t/features b/Units/simple.html.t/features
new file mode 100644
index 0000000000..4f9256d623
--- /dev/null
+++ b/Units/simple.html.t/features
@@ -0,0 +1 @@
+regex
diff --git a/Units/xcmd-simple.d/features b/Units/xcmd-simple.d/features
index d9fb0a5e3f..f7fffbf063 100644
--- a/Units/xcmd-simple.d/features
+++ b/Units/xcmd-simple.d/features
@@ -1 +1,2 @@
 coproc
+regex