Use RegexValidator for JabberFormField

inyoka/utils/forms.py

@@ -227,17 +227,13 @@ class JabberFormField(forms.CharField):
     #       That way we don't need to validate the domain and resid.
     _jabber_re = re.compile(r'(?xi)(?:[a-z0-9!$\(\)*+,;=\[\\\]\^`{|}\-._~]+)@')
 
-    def _may_be_valid_jabber(self, jabber):
-        return self._jabber_re.match(jabber) is not None
-
-    def clean(self, value):
-        value = super().clean(value)
-
-        if not self._may_be_valid_jabber(value):
-            raise forms.ValidationError(_('The entered Jabber address is invalid. '
-                                          'Please check your input.'))
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
 
-        return value
+        self.validators.append(
+            validators.RegexValidator(regex=self._jabber_re, message=_('The entered Jabber address is invalid. '
+                                                                       'Please check your input.'))
+        )
 
 
 class SlugField(forms.CharField):