diff --git a/django/core/validators.py b/django/core/validators.py
index 4e39157de8..4602c44588 100644
--- a/django/core/validators.py
+++ b/django/core/validators.py
@@ -24,7 +24,7 @@ ansi_time_re = re.compile('^%s$' % _timere)
 ansi_datetime_re = re.compile('^%s %s$' % (_datere, _timere))
 email_re = re.compile(
     r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*"  # dot-atom
-    r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-011\013\014\016-\177])*"' # quoted-string
+    r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"' # quoted-string
     r')@(?:[A-Z0-9-]+\.)+[A-Z]{2,6}$', re.IGNORECASE)  # domain
 decimal_re = re.compile(r'^-?(?P<digits>\d+)(\.(?P<decimals>\d+))?$')
 integer_re = re.compile(r'^-?\d+$')