diff --git a/teil25/.gitignore b/teil25/.gitignore
new file mode 100644
index 0000000..7871daa
--- /dev/null
+++ b/teil25/.gitignore
@@ -0,0 +1,6 @@
+# created by virtualenv automatically
+bin/
+lib/
+__pycache__
+pyenv.cfg
+*.bak
diff --git a/regex/Vornamen_Wuppertal_2020.csv b/teil25/Vornamen_Wuppertal_2020.csv
similarity index 100%
rename from regex/Vornamen_Wuppertal_2020.csv
rename to teil25/Vornamen_Wuppertal_2020.csv
diff --git a/regex/filter_vornamen.py b/teil25/filter_vornamen.py
similarity index 100%
rename from regex/filter_vornamen.py
rename to teil25/filter_vornamen.py
diff --git a/regex/phone.py b/teil25/phone.py
similarity index 100%
rename from regex/phone.py
rename to teil25/phone.py
diff --git a/teil25/pyvenv.cfg b/teil25/pyvenv.cfg
new file mode 100644
index 0000000..b121c6f
--- /dev/null
+++ b/teil25/pyvenv.cfg
@@ -0,0 +1,8 @@
+home = /usr/bin
+implementation = CPython
+version_info = 3.11.2.final.0
+virtualenv = 20.17.1+ds
+include-system-site-packages = false
+base-prefix = /usr
+base-exec-prefix = /usr
+base-executable = /usr/bin/python3
diff --git a/regex/regex.py b/teil25/regex.py
similarity index 100%
rename from regex/regex.py
rename to teil25/regex.py
diff --git a/regex/vornamen_reader.py b/teil25/vornamen_reader.py
similarity index 100%
rename from regex/vornamen_reader.py
rename to teil25/vornamen_reader.py