diff --git a/src/agenda_culturel/forms.py b/src/agenda_culturel/forms.py
index f98ea50..59d87c2 100644
--- a/src/agenda_culturel/forms.py
+++ b/src/agenda_culturel/forms.py
@@ -2,7 +2,7 @@ from django.forms import ModelForm, ValidationError, TextInput, Form, URLField,
 from datetime import date
 from django_better_admin_arrayfield.forms.widgets import DynamicArrayWidget
 
-from .models import Event, BatchImportation, RecurrentImport
+from .models import Event, BatchImportation, RecurrentImport, CategorisationRule
 from django.utils.translation import gettext_lazy as _
 from string import ascii_uppercase as auc
 from .templatetags.utils_extra import int_to_abc
@@ -33,6 +33,11 @@ class RecurrentImportForm(ModelForm):
             'defaultTags': DynamicArrayWidgetTags(),
         }
 
+class CategorisationRuleImportForm(ModelForm):
+    class Meta:
+        model = CategorisationRule
+        fields = '__all__'
+
 class EventForm(ModelForm):
 
     class Meta:
diff --git a/src/agenda_culturel/import_tasks/extractor_ical.py b/src/agenda_culturel/import_tasks/extractor_ical.py
index 8f825dd..63ad97a 100644
--- a/src/agenda_culturel/import_tasks/extractor_ical.py
+++ b/src/agenda_culturel/import_tasks/extractor_ical.py
@@ -143,7 +143,6 @@ class ICALNoVCExtractor(ICALExtractor):
             return text
         else:
             result = self.parser.format(text)
-            logger.warning(result)
             return result
 
     def add_event(self, title, category, start_day, location, description, tags, uuid, recurrences=None, url_human=None, start_time=None, end_day=None, end_time=None, last_modified=None, published=False, image=None, image_alt=None):
diff --git a/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po b/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
index 8c6f1c0..5c95fe2 100644
--- a/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
+++ b/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: agenda_culturel\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-02-16 16:06+0000\n"
+"POT-Creation-Date: 2024-02-17 11:31+0000\n"
 "PO-Revision-Date: 2023-10-29 14:16+0000\n"
 "Last-Translator: Jean-Marie Favreau <jeanmarie.favreau@free.fr>\n"
 "Language-Team: Jean-Marie Favreau <jeanmarie.favreau@free.fr>\n"
@@ -17,374 +17,430 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: agenda_culturel/forms.py:62
+#: agenda_culturel/forms.py:70
 msgid "The end date must be after the start date."
 msgstr "La date de fin doit être après la date de début."
 
-#: agenda_culturel/forms.py:77
+#: agenda_culturel/forms.py:85
 msgid "The end time cannot be earlier than the start time."
 msgstr "L'heure de fin ne peut pas être avant l'heure de début."
 
-#: agenda_culturel/forms.py:84
+#: agenda_culturel/forms.py:92
 msgid "JSON in the format expected for the import."
 msgstr "JSON dans le format attendu pour l'import"
 
-#: agenda_culturel/models.py:32 agenda_culturel/models.py:61
-#: agenda_culturel/models.py:702
+#: agenda_culturel/models.py:33 agenda_culturel/models.py:62
+#: agenda_culturel/models.py:703
 msgid "Name"
 msgstr "Nom"
 
-#: agenda_culturel/models.py:32 agenda_culturel/models.py:61
+#: agenda_culturel/models.py:33 agenda_culturel/models.py:62
 msgid "Category name"
 msgstr "Nom de la catégorie"
 
-#: agenda_culturel/models.py:33
+#: agenda_culturel/models.py:34
 msgid "Content"
 msgstr "Contenu"
 
-#: agenda_culturel/models.py:33
+#: agenda_culturel/models.py:34
 msgid "Text as shown to the visitors"
 msgstr "Text tel que présenté aux visiteureuses"
 
-#: agenda_culturel/models.py:34
+#: agenda_culturel/models.py:35
 msgid "URL path"
 msgstr ""
 
-#: agenda_culturel/models.py:34
+#: agenda_culturel/models.py:35
 msgid "URL path where the content is included."
 msgstr ""
 
-#: agenda_culturel/models.py:62
+#: agenda_culturel/models.py:63
 msgid "Alternative Name"
 msgstr "Nom alternatif"
 
-#: agenda_culturel/models.py:62
+#: agenda_culturel/models.py:63
 msgid "Alternative name used with a time period"
 msgstr "Nom alternatif utilisé avec une période de temps"
 
-#: agenda_culturel/models.py:63
+#: agenda_culturel/models.py:64
 msgid "Short name"
 msgstr "Nom court"
 
-#: agenda_culturel/models.py:63
+#: agenda_culturel/models.py:64
 msgid "Short name of the category"
 msgstr "Nom court de la catégorie"
 
-#: agenda_culturel/models.py:64
+#: agenda_culturel/models.py:65
 msgid "Color"
 msgstr "Couleur"
 
-#: agenda_culturel/models.py:64
+#: agenda_culturel/models.py:65
 msgid "Color used as background for the category"
 msgstr "Couleur utilisée comme fond de la catégorie"
 
-#: agenda_culturel/models.py:101 agenda_culturel/models.py:168
-#: agenda_culturel/models.py:741
+#: agenda_culturel/models.py:102 agenda_culturel/models.py:169
+#: agenda_culturel/models.py:743 agenda_culturel/models.py:782
 msgid "Category"
 msgstr "Catégorie"
 
-#: agenda_culturel/models.py:102
+#: agenda_culturel/models.py:103
 msgid "Categories"
 msgstr "Catégories"
 
-#: agenda_culturel/models.py:153 agenda_culturel/models.py:739
+#: agenda_culturel/models.py:154 agenda_culturel/models.py:741
 msgid "Published"
 msgstr "Publié"
 
-#: agenda_culturel/models.py:154
+#: agenda_culturel/models.py:155
 msgid "Draft"
 msgstr "Brouillon"
 
-#: agenda_culturel/models.py:155
+#: agenda_culturel/models.py:156
 msgid "Trash"
 msgstr "Corbeille"
 
-#: agenda_culturel/models.py:164
+#: agenda_culturel/models.py:165
 msgid "Title"
 msgstr "Titre"
 
-#: agenda_culturel/models.py:164
+#: agenda_culturel/models.py:165
 msgid "Short title"
 msgstr "Titre court"
 
-#: agenda_culturel/models.py:166 agenda_culturel/models.py:764
+#: agenda_culturel/models.py:167 agenda_culturel/models.py:766
 msgid "Status"
 msgstr "Status"
 
-#: agenda_culturel/models.py:168
+#: agenda_culturel/models.py:169
 msgid "Category of the event"
 msgstr "Catégorie de l'événement"
 
-#: agenda_culturel/models.py:170
+#: agenda_culturel/models.py:171
 msgid "Day of the event"
 msgstr "Date de l'événement"
 
-#: agenda_culturel/models.py:171
+#: agenda_culturel/models.py:172
 msgid "Starting time"
 msgstr "Heure de début"
 
-#: agenda_culturel/models.py:173
+#: agenda_culturel/models.py:174
 msgid "End day of the event"
 msgstr "Fin de l'événement"
 
-#: agenda_culturel/models.py:173
+#: agenda_culturel/models.py:174
 msgid "End day of the event, only required if different from the start day."
 msgstr ""
 "Date de fin de l'événement, uniquement nécessaire s'il est différent du "
 "premier jour de l'événement"
 
-#: agenda_culturel/models.py:174
+#: agenda_culturel/models.py:175
 msgid "Final time"
 msgstr "Heure de fin"
 
-#: agenda_culturel/models.py:176
+#: agenda_culturel/models.py:177
 msgid "Recurrence"
 msgstr "Récurrence"
 
-#: agenda_culturel/models.py:178 agenda_culturel/models.py:740
+#: agenda_culturel/models.py:179 agenda_culturel/models.py:742
 msgid "Location"
 msgstr "Localisation"
 
-#: agenda_culturel/models.py:178
+#: agenda_culturel/models.py:179
 msgid "Address of the event"
 msgstr "Adresse de l'événement"
 
-#: agenda_culturel/models.py:180
+#: agenda_culturel/models.py:181
 msgid "Description"
 msgstr "Description"
 
-#: agenda_culturel/models.py:180
+#: agenda_culturel/models.py:181
 msgid "General description of the event"
 msgstr "Description générale de l'événement"
 
-#: agenda_culturel/models.py:182
+#: agenda_culturel/models.py:183
 msgid "Illustration (local image)"
 msgstr "Illustration (image locale)"
 
-#: agenda_culturel/models.py:182
+#: agenda_culturel/models.py:183
 msgid "Illustration image stored in the agenda server"
 msgstr "Image d'illustration stockée sur le serveur de l'agenda"
 
-#: agenda_culturel/models.py:184
+#: agenda_culturel/models.py:185
 msgid "Illustration"
 msgstr "Illustration"
 
-#: agenda_culturel/models.py:184
+#: agenda_culturel/models.py:185
 msgid "URL of the illustration image"
 msgstr "URL de l'image illustrative"
 
-#: agenda_culturel/models.py:185
+#: agenda_culturel/models.py:186
 msgid "Illustration description"
 msgstr "Description de l'illustration"
 
-#: agenda_culturel/models.py:185
+#: agenda_culturel/models.py:186
 msgid "Alternative text used by screen readers for the image"
 msgstr "Texte alternatif utiliser par les lecteurs d'écrans pour l'image"
 
-#: agenda_culturel/models.py:187
+#: agenda_culturel/models.py:188
 msgid "Importation source"
 msgstr "Source d'importation"
 
-#: agenda_culturel/models.py:187
+#: agenda_culturel/models.py:188
 msgid "Importation source used to detect removed entries."
 msgstr "Source d'importation utilisée pour détecter les éléments supprimés/"
 
-#: agenda_culturel/models.py:188
+#: agenda_culturel/models.py:189
 msgid "UUIDs"
 msgstr "UUIDs"
 
-#: agenda_culturel/models.py:188
+#: agenda_culturel/models.py:189
 msgid "UUIDs from import to detect duplicated entries."
 msgstr "UUIDs utilisés pendant l'import pour détecter les entrées dupliquées"
 
-#: agenda_culturel/models.py:189
+#: agenda_culturel/models.py:190
 msgid "URLs"
 msgstr "URLs"
 
-#: agenda_culturel/models.py:189
+#: agenda_culturel/models.py:190
 msgid "List of all the urls where this event can be found."
 msgstr "Liste de toutes les urls où l'événement peut être trouvé."
 
-#: agenda_culturel/models.py:191
+#: agenda_culturel/models.py:192
 msgid "Tags"
 msgstr "Étiquettes"
 
-#: agenda_culturel/models.py:191
+#: agenda_culturel/models.py:192
 msgid "A list of tags that describe the event."
 msgstr "Une liste d'étiquettes décrivant l'événement"
 
-#: agenda_culturel/models.py:193
+#: agenda_culturel/models.py:194
 msgid "Possibly duplicated"
 msgstr "Possibles doublons"
 
-#: agenda_culturel/models.py:234
+#: agenda_culturel/models.py:235
 msgid "Event"
 msgstr "Événement"
 
-#: agenda_culturel/models.py:235
+#: agenda_culturel/models.py:236
 msgid "Events"
 msgstr "Événements"
 
-#: agenda_culturel/models.py:701
+#: agenda_culturel/models.py:702
 msgid "Subject"
 msgstr "Sujet"
 
-#: agenda_culturel/models.py:701
+#: agenda_culturel/models.py:702
 msgid "The subject of your message"
 msgstr "Sujet de votre message"
 
-#: agenda_culturel/models.py:702
+#: agenda_culturel/models.py:703
 msgid "Your name"
 msgstr "Votre nom"
 
-#: agenda_culturel/models.py:703
+#: agenda_culturel/models.py:704
 msgid "Email address"
 msgstr "Adresse email"
 
-#: agenda_culturel/models.py:703
+#: agenda_culturel/models.py:704
 msgid "Your email address"
 msgstr "Votre adresse email"
 
-#: agenda_culturel/models.py:704
+#: agenda_culturel/models.py:705
 msgid "Message"
 msgstr "Message"
 
-#: agenda_culturel/models.py:704
+#: agenda_culturel/models.py:705
 msgid "Your message"
 msgstr "Votre message"
 
-#: agenda_culturel/models.py:708 agenda_culturel/views.py:376
+#: agenda_culturel/models.py:709 agenda_culturel/views.py:376
 msgid "Closed"
 msgstr "Fermé"
 
-#: agenda_culturel/models.py:708
+#: agenda_culturel/models.py:709
 msgid "this message has been processed and no longer needs to be handled"
 msgstr "Ce message a été traité et ne nécessite plus d'être pris en charge"
 
-#: agenda_culturel/models.py:709
+#: agenda_culturel/models.py:710
 msgid "Comments"
 msgstr "Commentaires"
 
-#: agenda_culturel/models.py:709
+#: agenda_culturel/models.py:710
 msgid "Comments on the message from the moderation team"
 msgstr "Commentaires sur ce message par l'équipe de modération"
 
-#: agenda_culturel/models.py:718
+#: agenda_culturel/models.py:719
 msgid "ical"
 msgstr "ical"
 
-#: agenda_culturel/models.py:719
+#: agenda_culturel/models.py:720
 msgid "ical no busy"
 msgstr "ical sans busy"
 
-#: agenda_culturel/models.py:722
+#: agenda_culturel/models.py:721
+msgid "ical no VC"
+msgstr "ical sans VC"
+
+#: agenda_culturel/models.py:724
 msgid "simple"
 msgstr "simple"
 
-#: agenda_culturel/models.py:723
+#: agenda_culturel/models.py:725
 msgid "Headless Chromium"
 msgstr "chromium sans interface"
 
-#: agenda_culturel/models.py:727
+#: agenda_culturel/models.py:729
 msgid "daily"
 msgstr "chaque jour"
 
-#: agenda_culturel/models.py:728
+#: agenda_culturel/models.py:730
 msgid "weekly"
 msgstr "chaque semaine"
 
-#: agenda_culturel/models.py:730
+#: agenda_culturel/models.py:732
 msgid "Processor"
 msgstr "Processeur"
 
-#: agenda_culturel/models.py:731
+#: agenda_culturel/models.py:733
 msgid "Downloader"
 msgstr "Téléchargeur"
 
-#: agenda_culturel/models.py:733
+#: agenda_culturel/models.py:735
 msgid "Import recurrence"
 msgstr "Récurrence d'import"
 
-#: agenda_culturel/models.py:736
+#: agenda_culturel/models.py:738
 msgid "Source"
 msgstr "Source"
 
-#: agenda_culturel/models.py:736
+#: agenda_culturel/models.py:738
 msgid "URL of the source document"
 msgstr "URL du document source"
 
-#: agenda_culturel/models.py:737
+#: agenda_culturel/models.py:739
 msgid "Browsable url"
 msgstr "URL navigable"
 
-#: agenda_culturel/models.py:737
+#: agenda_culturel/models.py:739
 msgid "URL of the corresponding document that will be shown to visitors."
 msgstr "URL correspondant au document et qui sera montrée aux visiteurs"
 
-#: agenda_culturel/models.py:739
+#: agenda_culturel/models.py:741
 msgid "Status of each imported event (published or draft)"
 msgstr "Status de chaque événement importé (publié ou brouillon)"
 
-#: agenda_culturel/models.py:740
+#: agenda_culturel/models.py:742
 msgid "Address for each imported event"
 msgstr "Adresse de chaque événement importé"
 
-#: agenda_culturel/models.py:741
+#: agenda_culturel/models.py:743
 msgid "Category of each imported event"
 msgstr "Catégorie de chaque événement importé"
 
-#: agenda_culturel/models.py:742
+#: agenda_culturel/models.py:744
 msgid "Tags for each imported event"
 msgstr "Étiquettes de chaque événement importé"
 
-#: agenda_culturel/models.py:742
+#: agenda_culturel/models.py:744
 msgid "A list of tags that describe each imported event."
 msgstr "Une liste d'étiquettes décrivant chaque événement importé"
 
-#: agenda_culturel/models.py:754
+#: agenda_culturel/models.py:756
 msgid "Running"
 msgstr "En cours"
 
-#: agenda_culturel/models.py:755
+#: agenda_culturel/models.py:757
 msgid "Canceled"
 msgstr "Annulé"
 
-#: agenda_culturel/models.py:756
+#: agenda_culturel/models.py:758
 msgid "Success"
 msgstr "Succès"
 
-#: agenda_culturel/models.py:757
+#: agenda_culturel/models.py:759
 msgid "Failed"
 msgstr "Erreur"
 
-#: agenda_culturel/models.py:762
+#: agenda_culturel/models.py:764
 msgid "Recurrent import"
 msgstr "Import récurrent"
 
-#: agenda_culturel/models.py:762
+#: agenda_culturel/models.py:764
 msgid "Reference to the recurrent import processing"
 msgstr "Référence du processus d'import récurrent"
 
-#: agenda_culturel/models.py:766
+#: agenda_culturel/models.py:768
 msgid "Error message"
 msgstr "Votre message"
 
-#: agenda_culturel/models.py:768
+#: agenda_culturel/models.py:770
 msgid "Number of collected events"
 msgstr "Nombre d'événements collectés"
 
-#: agenda_culturel/models.py:769
+#: agenda_culturel/models.py:771
 msgid "Number of imported events"
 msgstr "Nombre d'événements importés"
 
-#: agenda_culturel/models.py:770
+#: agenda_culturel/models.py:772
 msgid "Number of updated events"
 msgstr "Nombre d'événements mis à jour"
 
-#: agenda_culturel/models.py:771
+#: agenda_culturel/models.py:773
 msgid "Number of removed events"
 msgstr "Nombre d'événements supprimés"
 
+#: agenda_culturel/models.py:780
+msgid "Weight"
+msgstr ""
+
+#: agenda_culturel/models.py:780
+msgid "The lower is the weight, the earlier the filter is applied"
+msgstr ""
+
+#: agenda_culturel/models.py:782
+msgid "Category applied to the event"
+msgstr "Catégorie appliquée à l'événement"
+
+#: agenda_culturel/models.py:784
+msgid "Contained in the description"
+msgstr "Contenu dans la description"
+
+#: agenda_culturel/models.py:784
+msgid "Text contained in the description"
+msgstr "Texte contenu dans la description"
+
+#: agenda_culturel/models.py:785
+msgid "Exact description extract"
+msgstr "Extrait exact de description"
+
+#: agenda_culturel/models.py:785
+msgid ""
+"If checked, the extract will be searched for in the description using the "
+"exact form (capitals, accents)."
+msgstr ""
+"Si coché, l'extrait sera recherché dans la description en utilisant la forme "
+"exacte (majuscules, accents)"
+
+#: agenda_culturel/models.py:787
+msgid "Contained in the title"
+msgstr "Contenu dans le titre"
+
+#: agenda_culturel/models.py:787
+msgid "Text contained in the event title"
+msgstr "Texte contenu dans le titre de l'événement"
+
+#: agenda_culturel/models.py:788
+msgid "Exact title extract"
+msgstr "Extrait exact du titre"
+
+#: agenda_culturel/models.py:788
+msgid ""
+"If checked, the extract will be searched for in the title using the exact "
+"form (capitals, accents)."
+msgstr ""
+"Si coché, l'extrait sera recherché dans le titre en utilisant la forme "
+"exacte (majuscules, accents)"
+
 #: agenda_culturel/settings/base.py:135
 msgid "English"
 msgstr "anglais"
@@ -530,6 +586,31 @@ msgstr ""
 "L'événement a été signalé comme dupliqué avec succès. Votre suggestion sera "
 "prochainement prise en charge par l'équipe de modération."
 
+#: agenda_culturel/views.py:814
+msgid "The categorisation rule has been successfully modified."
+msgstr "La règle de catégorisation a été modifiée avec succès."
+
+#: agenda_culturel/views.py:820
+msgid "The categorisation rule has been successfully deleted."
+msgstr "La règle de catégorisation a été supprimée avec succès"
+
+#: agenda_culturel/views.py:831
+msgid "The rules were successfully applied and 1 event was categorised."
+msgstr ""
+"Les règles ont été appliquées avec succès et 1 événement a été catégorisé"
+
+#: agenda_culturel/views.py:833
+msgid "The rules were successfully applied and {} events were categorised."
+msgstr ""
+"Les règles ont été appliquées avec succès et {} événements ont été "
+"catégorisés"
+
+#: agenda_culturel/views.py:835
+msgid "The rules were successfully applied and no events were categorised."
+msgstr ""
+"Les règles ont été appliquées avec succès et aucun événement n'a été "
+"catégorisé"
+
 msgid "Add another"
 msgstr "Ajouter un autre"
 
diff --git a/src/agenda_culturel/migrations/0033_categorisationrule.py b/src/agenda_culturel/migrations/0033_categorisationrule.py
new file mode 100644
index 0000000..5f46ba5
--- /dev/null
+++ b/src/agenda_culturel/migrations/0033_categorisationrule.py
@@ -0,0 +1,26 @@
+# Generated by Django 4.2.7 on 2024-02-17 10:40
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('agenda_culturel', '0032_alter_recurrentimport_defaultcategory_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CategorisationRule',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('weight', models.IntegerField(default=0, help_text='The lower is the weight, the earlier the filter is applied', verbose_name='Weight')),
+                ('description_contains', models.CharField(blank=True, help_text='Text contained in the description', max_length=512, null=True, verbose_name='Contained in the description')),
+                ('desc_exact', models.BooleanField(default=False, help_text='If checked, the extract will be searched for in the description using the exact form (capitals, accents).', verbose_name='Exact description extract')),
+                ('title_contains', models.CharField(blank=True, help_text='Text contained in the event title', max_length=512, null=True, verbose_name='Contained in the title')),
+                ('title_exact', models.BooleanField(default=False, help_text='If checked, the extract will be searched for in the title using the exact form (capitals, accents).', verbose_name='Exact title extract')),
+                ('category', models.ForeignKey(help_text='Category applied to the event', on_delete=django.db.models.deletion.CASCADE, to='agenda_culturel.category', verbose_name='Category')),
+            ],
+        ),
+    ]
diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index ec48de1..103ac8a 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -15,6 +15,7 @@ from django.db.models import Q
 import recurrence.fields
 import recurrence
 import copy
+import unicodedata
 
 from django.template.defaultfilters import date as _date
 from datetime import time, timedelta, date
@@ -26,6 +27,9 @@ from .calendar import CalendarList, CalendarDay
 import logging
 logger = logging.getLogger(__name__)
 
+def remove_accents(input_str):
+    nfkd_form = unicodedata.normalize('NFKD', input_str)
+    return u"".join([c for c in nfkd_form if not unicodedata.combining(c)])
 
 class StaticContent(models.Model):
 
@@ -363,6 +367,10 @@ class Event(models.Model):
         if self.image and not self.local_image:
             self.download_image()
 
+        # try to detect category
+        if self.is_in_importation_process():
+            CategorisationRule.apply_rules(self)
+
 
     def save(self, *args, **kwargs):
 
@@ -772,3 +780,46 @@ class BatchImportation(models.Model):
     nb_removed = models.PositiveIntegerField(verbose_name=_('Number of removed events'), default=0)
 
     celery_id = models.CharField(max_length=128, default="")
+
+
+class CategorisationRule(models.Model):
+
+    weight = models.IntegerField(verbose_name=_('Weight'), help_text=_("The lower is the weight, the earlier the filter is applied"), default=0)
+
+    category = models.ForeignKey(Category, verbose_name=_('Category'), help_text=_('Category applied to the event'), on_delete=models.CASCADE)
+
+    description_contains = models.CharField(verbose_name=_('Contained in the description'), help_text=_('Text contained in the description'), max_length=512, blank=True, null=True)
+    desc_exact = models.BooleanField(verbose_name=_('Exact description extract'), help_text=_("If checked, the extract will be searched for in the description using the exact form (capitals, accents)."), default=False)
+
+    title_contains = models.CharField(verbose_name=_('Contained in the title'), help_text=_('Text contained in the event title'), max_length=512, blank=True, null=True)
+    title_exact = models.BooleanField(verbose_name=_('Exact title extract'), help_text=_("If checked, the extract will be searched for in the title using the exact form (capitals, accents)."), default=False)
+
+    # on applique toutes les règles, de la première à la dernière
+    def apply_rules(event):
+        rules = CategorisationRule.objects.all().order_by("weight", "pk")
+
+        for rule in rules:
+            if rule.match(event):
+                event.category = rule.category
+                return 1
+        
+        return 0
+
+    def match(self, event):
+        if self.description_contains:
+            if self.desc_exact:
+                if self.description_contains in event.description:
+                    return True
+            else:
+                if remove_accents(self.description_contains).lower() in remove_accents(event.description).lower():
+                    return True
+
+        if self.title_contains:
+            if self.title_exact:
+                if self.title_contains in event.title:
+                    return True
+            else:
+                if remove_accents(self.title_contains).lower() in remove_accents(event.title).lower():
+                    return True
+
+        return False
diff --git a/src/agenda_culturel/templates/agenda_culturel/categorisation_rules.html b/src/agenda_culturel/templates/agenda_culturel/categorisation_rules.html
new file mode 100644
index 0000000..1bbcf5d
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/categorisation_rules.html
@@ -0,0 +1,84 @@
+{% extends "agenda_culturel/page.html" %}
+
+{% block title %}Règles de catégorisation{% endblock %}
+
+{% load utils_extra %}
+{% load cat_extra %}
+{% block entete_header %}
+    {% css_categories %}
+{% endblock %}
+
+{% block content %}
+<div class="grid two-columns">
+<article>
+    <header>
+        <div class="slide-buttons">
+            <a href="{% url 'apply_catrules'%}" role="button" data-tooltip="Appliquer à tous les événements sans catégorie">Appliquer {% picto_from_name "arrow-down-circle" %}</a>
+            <a href="{% url 'add_catrule'%}" role="button">Ajouter {% picto_from_name "plus-circle" %}</a>
+        </div>
+        <h1>Règles de catégorisation</h1>
+        <p>Chaque règle est considérée dans l'ordre croissant des poids. La première règle satisfaite est appliquée par un changement de catégorie, et on les suivantes ne sont pas appliquées.</p>
+        <p>Une règle est satisfaite si au moins une des conditions est satisfaite.</p>
+        <p>Les règles sont appliquées à l'import sur tous les événements, et à la demande sur les événements sans catégorie.</p>
+    </header>
+
+    <table role="grid">
+        <thead>
+            <tr>
+                <th>Identifiant</th>
+                <th>Catégorie</th>
+                <th>Conditions</th>
+                <th>Poids</th>
+                <th>Actions</th>
+            </tr>
+        </thead>
+        <tbody>
+    {% for obj in paginator_filter %}
+        <tr>
+            <td>{{ obj.pk }}</a></td>
+            <td>{{ obj.category }}</td>
+            <td>
+                <ul>
+                {% if obj.title_contains %}
+                    <li>Le titre contient {% if obj.title_exact %}exactement {% endif %} «&nbsp;{{ obj.title_contains }}&nbsp;»</li>
+                {% endif %}
+                {% if obj.description_contains %}
+                    <li>La description contient {% if obj.desc_exact %}exactement {% endif %} «&nbsp;{{ obj.description_contains }}&nbsp;»</li>
+                {% endif %}
+                </ul>
+            </td>
+            <td>{{ obj.weight }}</td>
+            <td>
+                <div  class="buttons">
+                    <a href="{% url 'edit_catrule' obj.pk %}" role="button">Modifier</a>
+                    <a href="{% url 'delete_catrule' obj.pk %}" role="button">Supprimer</a>
+                </div>
+            </td>
+        </tr>
+    {% endfor %}
+        </tbody>
+    </table>
+
+    <footer>
+    <span>
+        {% if paginator_filter.has_previous %}
+            <a href="?page=1" role="button">&laquo; premier</a>
+            <a href="?page={{ paginator_filter.previous_page_number }}" role="button">précédent</a>
+        {% endif %}
+
+        <span>
+            Page {{ paginator_filter.number }} sur {{ paginator_filter.paginator.num_pages }}
+        </span>
+
+        {% if paginator_filter.has_next %}
+            <a href="?page={{ paginator_filter.next_page_number }}" role="button">suivant</a>
+            <a href="?page={{ paginator_filter.paginator.num_pages }}" role="button">dernier &raquo;</a>
+        {% endif %}
+    </span>
+</footer>
+</article>
+
+{% include "agenda_culturel/side-nav.html" with current="catrules" %}
+</div>
+
+{% endblock %}
\ No newline at end of file
diff --git a/src/agenda_culturel/templates/agenda_culturel/categorisationrule_confirm_delete.html b/src/agenda_culturel/templates/agenda_culturel/categorisationrule_confirm_delete.html
new file mode 100644
index 0000000..a3e7cc1
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/categorisationrule_confirm_delete.html
@@ -0,0 +1,30 @@
+{% extends "agenda_culturel/page.html" %}
+
+{% block title %}Supprimer la règle de catégorisation {{ object.pk }}{% endblock %}
+
+
+{% block content %}
+
+<h1>Suppression de la règle de catégorisation {{ object.pk }}</h1>
+<form method="post">{% csrf_token %}
+    <p>Êtes-vous sûr·e de vouloir supprimer la règle de catégorisation «&nbsp;{{ object.pk }}&nbsp;»&nbsp; 
+        par la catégorie {{ object.category }},
+        de poids {{ object.weight }} et
+        correspondant aux filtres ci-dessous&nbsp;?</p>
+    <ul>
+        {% if object.title_contains %}
+            <li>Le titre contient {% if object.title_exact %}exactement {% endif %} «&nbsp;{{ object.title_contains }}&nbsp;»</li>
+        {% endif %}
+        {% if object.description_contains %}
+            <li>La description contient {% if object.desc_exact %}exactement {% endif %} «&nbsp;{{ object.description_contains }}&nbsp;»</li>
+        {% endif %}
+        </ul>
+
+    {{ form }}
+    <div class="grid">
+        <a href="{% if request.META.HTTP_REFERER %}{{ request.META.HTTP_REFERER }}{% else %}{% url 'categorisation_rules' %}{% endif %}" role="button" class="secondary">Annuler</a>    
+        <input type="submit" value="Confirmer">
+    </div>
+</form>
+
+{% endblock %}
\ No newline at end of file
diff --git a/src/agenda_culturel/templates/agenda_culturel/categorisationrule_form.html b/src/agenda_culturel/templates/agenda_culturel/categorisationrule_form.html
new file mode 100644
index 0000000..dcd19ac
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/categorisationrule_form.html
@@ -0,0 +1,27 @@
+{% extends "agenda_culturel/page.html" %}
+{% load static %}
+
+{% block title %}Règle de catéorisation{% endblock %}
+
+{% block entete_header %}
+<script src="/static/admin/js/vendor/jquery/jquery.js"></script>
+<script src="/static/admin/js/jquery.init.js"></script>
+<link href="{% static 'css/django_better_admin_arrayfield.min.css' %}" type="text/css" media="all" rel="stylesheet">
+<script src="{% static 'js/django_better_admin_arrayfield.min.js' %}"></script>
+{% endblock %}
+
+{% block content %}
+
+<h1>Règle de catéorisation</h1>
+
+<article>
+    <form method="post">{% csrf_token %}
+        {{ form.as_p }}
+        <div class="grid">
+            <a href="{% if request.META.HTTP_REFERER %}{{ request.META.HTTP_REFERER }}{% else %}{% url 'categorisation_rules' %}{% endif %}" role="button" class="secondary">Annuler</a>
+            <input type="submit" value="Envoyer">
+        </div>
+    </form>
+</article>
+
+{% endblock %}
\ No newline at end of file
diff --git a/src/agenda_culturel/templates/agenda_culturel/side-nav.html b/src/agenda_culturel/templates/agenda_culturel/side-nav.html
index 10a324f..feec84c 100644
--- a/src/agenda_culturel/templates/agenda_culturel/side-nav.html
+++ b/src/agenda_culturel/templates/agenda_culturel/side-nav.html
@@ -14,11 +14,12 @@
                 <li><a {% if current == "tags" %}class="selected" {% endif %}href="{% url 'view_all_tags' %}">Consulter les étiquettes</a></li>
             </ul>
         </nav>
-        <h2>Importations</h2>
+        <h3>Traitements automatiques</h3>
         <nav>
             <ul>            
                 <li><a {% if current == "imports" %}class="selected" {% endif %}href="{% url 'imports' %}">Historiques des importations</a></li>
                 <li><a {% if current == "rimports" %}class="selected" {% endif %}href="{% url 'recurrent_imports' %}">Importations récurrentes</a></li>
+                <li><a {% if current == "catrules" %}class="selected" {% endif %}href="{% url 'categorisation_rules' %}">Règles de catégorisation</a></li>
             </ul>
         </nav>
         <h3>Messages</h3>
diff --git a/src/agenda_culturel/urls.py b/src/agenda_culturel/urls.py
index d5338e7..9c6a239 100644
--- a/src/agenda_culturel/urls.py
+++ b/src/agenda_culturel/urls.py
@@ -46,6 +46,11 @@ urlpatterns = [
     path("rimports/<int:pk>/edit", RecurrentImportUpdateView.as_view(), name="edit_rimport"),
     path("rimports/<int:pk>/delete", RecurrentImportDeleteView.as_view(), name="delete_rimport"),
     path("rimports/<int:pk>/run", run_rimport, name="run_rimport"),
+    path("catrules/", categorisation_rules, name="categorisation_rules"),
+    path("catrules/add", CategorisationRuleCreateView.as_view(), name="add_catrule"),
+    path("catrules/<int:pk>/edit", CategorisationRuleUpdateView.as_view(), name="edit_catrule"),
+    path("catrules/<int:pk>/delete", CategorisationRuleDeleteView.as_view(), name="delete_catrule"),
+    path("catrules/apply", apply_categorisation_rules, name="apply_catrules"),
     path("duplicates/", duplicates, name="duplicates"),
     path("duplicates/<int:pk>", DuplicatedEventsDetailView.as_view(), name="view_duplicate"),
     path("duplicates/<int:pk>/fix", fix_duplicate, name="fix_duplicate"),
diff --git a/src/agenda_culturel/views.py b/src/agenda_culturel/views.py
index 14a28c3..5732b5e 100644
--- a/src/agenda_culturel/views.py
+++ b/src/agenda_culturel/views.py
@@ -11,9 +11,9 @@ from django.http import HttpResponseRedirect
 from django.urls import reverse
 import urllib
 
-from .forms import EventSubmissionForm, EventForm, BatchImportationForm, FixDuplicates, SelectEventInList, MergeDuplicates, RecurrentImportForm
+from .forms import EventSubmissionForm, EventForm, BatchImportationForm, FixDuplicates, SelectEventInList, MergeDuplicates, RecurrentImportForm, CategorisationRuleImportForm
 
-from .models import Event, Category, StaticContent, ContactMessage, BatchImportation, DuplicatedEvents, RecurrentImport
+from .models import Event, Category, StaticContent, ContactMessage, BatchImportation, DuplicatedEvents, RecurrentImport, CategorisationRule, remove_accents
 from django.utils import timezone
 from enum import StrEnum
 from datetime import date, timedelta
@@ -181,9 +181,6 @@ def view_tag(request, t):
 
 
 def tag_list(request):
-    def remove_accents(input_str):
-        nfkd_form = unicodedata.normalize('NFKD', input_str)
-        return u"".join([c for c in nfkd_form if not unicodedata.combining(c)])
 
     tags = Event.get_all_tags()    
     context = {"tags": sorted(tags, key=lambda x: remove_accents(x).lower())}
@@ -782,3 +779,62 @@ def set_duplicate(request, year, month, day, pk):
     return render(request, 'agenda_culturel/set_duplicate.html', context={'form': form, 'event': event})
 
 
+
+#########################
+## categorisation rules
+#########################
+
+@login_required(login_url="/accounts/login/")
+def categorisation_rules(request):
+    paginator = Paginator(CategorisationRule.objects.all().order_by("weight", "pk"), 10)
+    page = request.GET.get('page')
+
+    try:
+        response = paginator.page(page)
+    except PageNotAnInteger:
+        response = paginator.page(1)
+    except EmptyPage:
+        response = paginator.page(paginator.num_pages)
+
+    return render(request, 'agenda_culturel/categorisation_rules.html', {'paginator_filter': response} )
+
+class CategorisationRuleCreateView(LoginRequiredMixin, CreateView):
+    model = CategorisationRule
+    success_url = reverse_lazy('categorisation_rules')
+    form_class = CategorisationRuleImportForm
+
+
+class CategorisationRuleUpdateView(SuccessMessageMixin, LoginRequiredMixin, UpdateView):
+    model = CategorisationRule
+    form_class = CategorisationRuleImportForm
+    success_url = reverse_lazy('categorisation_rules')
+    success_message = _('The categorisation rule has been successfully modified.')
+
+
+class CategorisationRuleDeleteView(SuccessMessageMixin, LoginRequiredMixin, DeleteView):
+    model = CategorisationRule
+    success_url = reverse_lazy('categorisation_rules')
+    success_message = _('The categorisation rule has been successfully deleted.')
+
+@login_required(login_url="/accounts/login/")
+def apply_categorisation_rules(request):
+
+    nb = 0
+    for e in Event.objects.filter(category=Category.get_default_category_id()):
+        success = CategorisationRule.apply_rules(e)
+        if success:
+            nb += 1
+            e.save()
+
+
+    if nb != 0:
+        if nb == 1:
+            messages.success(request, _("The rules were successfully applied and 1 event was categorised."))
+        else:
+            messages.success(request, _("The rules were successfully applied and {} events were categorised.").format(nb))
+    else:
+        messages.info(request, _("The rules were successfully applied and no events were categorised."))
+
+
+    return HttpResponseRedirect(reverse_lazy("categorisation_rules"))
+    
\ No newline at end of file