diff --git a/git.py b/git.py
index eec6c1b..bc5264a 100644
--- a/git.py
+++ b/git.py
@@ -1,3 +1,5 @@
+import giturlparse
+
 class PublicGitRepo:
     """replaces the text in the given text string with a given other text at some key positions"""
 
@@ -12,11 +14,15 @@ class PublicGitRepo:
 
     CATEGORY = "text"
     RETURN_TYPES = ("STRING",)
-    FUNCTION = "prompt_template_handler"
+    FUNCTION = "validate_git_repo_url"
 
-    def prompt_template_handler(self, text: str, replacement, key1, git_url):
+    def validate_git_repo_url(self, text: str, replacement, key1, git_url):
         """
-        >>> PublicGitRepo().prompt_template_handler("hello world", "universe", "world", "https://github.com/example/repo.git")
+        >>> PublicGitRepo().validate_git_repo_url("hello world", "universe", "world", "https://github.com/example/repo.git")
         'hello universe'
         """
+        parsed_url = giturlparse.parse(git_url)
+        if not parsed_url.valid:
+            raise ValueError("Invalid Git repository URL")
+
         return (text.replace(key1, replacement),)