Too hard, too long.

Author: Julian

docs/validate.rst

@@ -309,14 +309,22 @@ with.
 
     Check if the instance is a valid e-mail address.
 
-    Checking is based on `RFC 2822`_
-
         >>> is_email("[email protected]")
         True
         >>> is_email("joe.bloggs")
         False
 
+    .. note::
+
+        This is *not* done in strict compliance of `RFC 2822`_ and / or `RFC
+        5322`_.
+
+        The only constraint is that the instance contain an ``@`` sign. If you
+        want stricter compliance, either change what you want or add and
+        register your own checker.
+
     .. _RFC 2822: http://tools.ietf.org/html/rfc2822
+    .. _RFC 5322: http://tools.ietf.org/html/rfc5322
 
 .. autofunction:: is_host_name
 

jsonschema.py

@@ -550,15 +550,7 @@ def is_uri(instance):
 
 @FormatChecker.cls_checks("email")
 def is_email(instance):
-    pattern = (r"^(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_"
-               r"`{|}~-]+)*|\"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b"
-               r"\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*\")@(?:(?:[a-z"
-               r"0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0"
-               r"-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}"
-               r"(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9"
-               r"]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x"
-               r"01-\x09\x0b\x0c\x0e-\x7f])+)\])$")
-    return bool(re.match(pattern, instance))
+    return "@" in instance
 
 
 @FormatChecker.cls_checks("ip-address")