Update nf_core/pipelines/create/utils.py

Co-authored-by: Adam Talbot <[email protected]>

nf_core/pipelines/create/utils.py

@@ -65,7 +65,7 @@ def name_nospecialchars(cls, v: str, info: ValidationInfo) -> str:
             if not re.match(r"^[a-z]+$", v):
                 raise ValueError("Must be lowercase without punctuation.")
         else:
-            if not re.match(r"^[a-zA-Z-_0-9]+$", v):
+            if not re.match(r"^[-\w]+$", v):
                 raise ValueError("Must not contain special characters. Only '-' or '_' are allowed.")
         return v