fixed error with email regex which didnt require a .

shop/forms.py

@@ -57,4 +57,4 @@ class emailChangeForm(FlaskForm):
 
 class mobileChangeForm(FlaskForm):
     new_mobile = StringField('Enter a new mobile:', validators=[Regexp(regex='^[+-]?[0-9]+$', message = 'only integers allowed'), input_required(), Length(11, 11)])
-    submit2 = SubmitField('Submit')
\ No newline at end of file
+    submit2 = SubmitField('Submit')