diff --git a/blender/version.py b/blender/version.py
index 5f61284..4d8f076 100644
--- a/blender/version.py
+++ b/blender/version.py
@@ -1,3 +1,4 @@
+import re
 
 
 class BlenderVersion:
@@ -6,6 +7,7 @@ class BlenderVersion:
         Need an object like 'X.Y.Z' to work correctly, build a pythonic object about a blender version.
         :param version: 
         """
+        self._check_pattern(version)
         self.major : str = ''
         self.minor : str = ''
         self.hotfix : str = ''
@@ -28,6 +30,14 @@ class BlenderVersion:
     
     def tag_name_slugify(self):
         return f'{self.major}-{self.minor}-{self.hotfix}'
+    
+    @staticmethod
+    def _check_pattern(tested: str):
+        """Simple test to look if the string give can be a blender version name."""
+        test = re.match(r'^[0-9]{1}.[0-9]+.[0-9]+$', tested)
+        if test is None:
+            print(f'Bad version name set: {tested}')
+            exit(1)
         
     def __str__(self):
         return str(self.major + '.' + self.minor + '.' + self.hotfix)
\ No newline at end of file
diff --git a/main.py b/main.py
index ae0047e..0c7d8ff 100644
--- a/main.py
+++ b/main.py
@@ -4,13 +4,11 @@ from blender.version import BlenderVersion
 from blender.docker import BlenderDocker
 
 # Todo Update readme file badge with blender version
-# Todo
 
 
 if __name__ == "__main__":
-    # Todo use the manual entry can be error prone (need to make a basic regex to check this entry)
     version = BlenderVersion(input("Give the blender version (X.Y.Z): "))
-
+        
     print(f"Build a blender version {version}.")
     docker = BlenderDocker(blender=version, severity=INFO)
     docker.build()