Ticket #5709: fields.py.diff

django/newforms/fields.py

@@ -308 +308 @@
         raise ValidationError(ugettext(u'Enter a valid date/time.'))
 
 class RegexField(CharField):
-    def __init__(self, regex, max_length=None, min_length=None, error_message=None, *args, **kwargs):
+    def __init__(self, regex, inverse=False, max_length=None, min_length=None, error_message=None, *args, **kwargs):
         """
         regex can be either a string or a compiled regular expression object.
         error_message is an optional error message to use, if
@@ -319 +319 @@
             regex = re.compile(regex)
         self.regex = regex
         self.error_message = error_message or ugettext(u'Enter a valid value.')
+        self.inverse = inverse
 
     def clean(self, value):
         """
@@ -328 +329 @@
         value = super(RegexField, self).clean(value)
         if value == u'':
             return value
-        if not self.regex.search(value):
+        if (self.regex.search(value) == None) != self.inverse:
             raise ValidationError(self.error_message)
         return value