fix: allow special characters in email (#5327)

Co-authored-by: crazywoola <427733928@qq.com>

api/libs/helper.py

@@ -25,7 +25,7 @@ class TimestampField(fields.Raw):
 
 def email(email):
     # Define a regex pattern for email addresses
-    pattern = r"^[\w\.-]+@([\w-]+\.)+[\w-]{2,}$"
+    pattern = r"^[\w\.!#$%&'*+\-/=?^_`{|}~]+@([\w-]+\.)+[\w-]{2,}$"
     # Check if the email matches the pattern
     if re.match(pattern, email) is not None:
         return email