diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e1c76cf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "gcode_machine"]
+	path = gcode_machine
+	url = https://github.com/michaelfranzl/gcode_machine.git
diff --git a/gerbil b/gerbil
deleted file mode 160000
index 37758e6..0000000
--- a/gerbil
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 37758e6f60805b7ed00b2880420bfc8a928ce3a3
diff --git a/regex_test.py b/regex_test.py
new file mode 100644
index 0000000..a41bc02
--- /dev/null
+++ b/regex_test.py
@@ -0,0 +1,13 @@
+import re
+
+
+line = "<Idle|WPos:69.000,40.000,-20.000|Bf:15,128|FS:0,0>"
+pattern = r"<[^|]*\|WPos:([^,]*),([^,]*),([^|]*)\|"
+m = re.match(pattern, line)
+
+if m:
+    print("Group 1 (X):", m.group(1))
+    print("Group 2 (Y):", m.group(2))
+    print("Group 3 (Z):", m.group(3))
+else:
+    print("No match found.")
\ No newline at end of file