diff --git a/app/scodoc/notesdb.py b/app/scodoc/notesdb.py
index 796f6edf..f6af848b 100644
--- a/app/scodoc/notesdb.py
+++ b/app/scodoc/notesdb.py
@@ -171,18 +171,32 @@ def DBSelectArgs(
         cl.append("T0.%s = T%d.%s" % (id_name, i, aux_id))
         i = i + 1
     cond += " and ".join(cl)
-    # Traitement des expressions régulières:
-    #  n'autorise pas d'expressions
-    if test == "~":
-        for k in vals.keys():
-            vals[k] = vals[k].translate(_SQL_REMOVE_BAD_CHARS)
 
     if vals:
         if aux_tables:  # paren
             cond += " AND ( "
-        cond += operator.join(
-            ["T0.%s%s%%(%s)s" % (x, test, x) for x in vals.keys() if vals[x] != None]
-        )
+
+        if test == "~":
+            # Traitement des expressions régulières:
+            #  n'autorise pas d'expressions
+            explist = []
+            for k in vals.keys():
+                # n'applique ~ qu'aux strings
+                if isinstance(vals[k], str):
+                    vals[k] = vals[k].translate(_SQL_REMOVE_BAD_CHARS)
+                    explist.append("T0.%s~%%(%s)s" % (k, k))
+                elif vals[k] is not None:
+                    explist.append("T0.%s=%%(%s)s" % (k, k))
+            cond += operator.join(explist)
+        else:
+            cond += operator.join(
+                [
+                    "T0.%s%s%%(%s)s" % (x, test, x)
+                    for x in vals.keys()
+                    if vals[x] != None
+                ]
+            )
+        # conditions sur NULLs:
         cnuls = " and ".join(
             ["T0.%s is NULL" % x for x in vals.keys() if vals[x] is None]
         )
diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index a60a66cf..651ea515 100644
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -872,8 +872,10 @@ def _make_listes_sem(context, sem, REQUEST=None, with_absences=True):
             H.append('<p class="help indent">Aucun groupe dans cette partition')
             if sco_groups.sco_permissions_check.can_change_groups(formsemestre_id):
                 H.append(
-                    ' (<a href="affectGroups?partition_id=%s" class="stdlink">créer</a>)'
-                    % partition["partition_id"]
+                    f""" (<a href="{url_for("scolar.affectGroups",
+                    scodoc_dept=g.scodoc_dept,
+                    partition_id=partition["partition_id"])
+                    }" class="stdlink">créer</a>)"""
                 )
             H.append("</p>")
     if sco_groups.sco_permissions_check.can_change_groups(formsemestre_id):
diff --git a/app/scodoc/sco_groups.py b/app/scodoc/sco_groups.py
index 838ba010..90883aef 100644
--- a/app/scodoc/sco_groups.py
+++ b/app/scodoc/sco_groups.py
@@ -924,8 +924,12 @@ def editPartitionForm(context, formsemestre_id=None, REQUEST=None):
             ]
             H.append(", ".join(lg))
             H.append(
-                '</td><td><a class="stdlink" href="affectGroups?partition_id=%s">répartir</a></td>'
-                % p["partition_id"]
+                f"""</td><td><a class="stdlink" href="{
+                    url_for("scolar.affectGroups",
+                    scodoc_dept=g.scodoc_dept,
+                    partition_id=p["partition_id"])
+                }">répartir</a></td>
+                """
             )
             H.append(
                 '<td><a class="stdlink" href="partition_rename?partition_id=%s">renommer</a></td>'
@@ -1185,7 +1189,13 @@ def group_set_name(context, group_id, group_name, REQUEST=None, redirect=1):
 
     # redirect to partition edit page:
     if redirect:
-        return flask.redirect("affectGroups?partition_id=" + str(group["partition_id"]))
+        return flask.redirect(
+            url_for(
+                "scolar.affectGroups",
+                scodoc_dept=g.scodoc_dept,
+                partition_id=group["partition_id"],
+            )
+        )
 
 
 def group_rename(context, group_id, REQUEST=None):
@@ -1245,7 +1255,9 @@ def groups_auto_repartition(context, partition_id=None, REQUEST=None):
     partition = get_partition(context, partition_id)
     formsemestre_id = partition["formsemestre_id"]
     # renvoie sur page édition groupes
-    dest_url = "affectGroups?partition_id=%s" % partition_id
+    dest_url = url_for(
+        "scolar.affectGroups", scodoc_dept=g.scodoc_dept, partition_id=partition_id
+    )
     if not sco_permissions_check.can_change_groups(formsemestre_id):
         raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !")
     sem = sco_formsemestre.get_formsemestre(context, formsemestre_id)
diff --git a/app/scodoc/sco_inscr_passage.py b/app/scodoc/sco_inscr_passage.py
index 3383e7ad..7b2476a3 100644
--- a/app/scodoc/sco_inscr_passage.py
+++ b/app/scodoc/sco_inscr_passage.py
@@ -392,9 +392,11 @@ def formsemestre_inscr_passage(
                 ]
             ):  # il y a au moins une vraie partition
                 H.append(
-                    """<li><a class="stdlink" href="affectGroups?partition_id=%s">Répartir les groupes de %s</a></li>
+                    f"""<li><a class="stdlink" href="{
+                        url_for("scolar.affectGroups",
+                scodoc_dept=g.scodoc_dept, partition_id=partition["partition_id"])
+                }">Répartir les groupes de {partition["partition_name"]}</a></li>
                 """
-                    % (partition["partition_id"], partition["partition_name"])
                 )
 
     #
diff --git a/app/scodoc/sco_synchro_etuds.py b/app/scodoc/sco_synchro_etuds.py
index ae606fb7..7a3db217 100644
--- a/app/scodoc/sco_synchro_etuds.py
+++ b/app/scodoc/sco_synchro_etuds.py
@@ -32,6 +32,8 @@ import time
 import pprint
 from operator import itemgetter
 
+from flask import g, url_for
+
 import app.scodoc.sco_utils as scu
 import app.scodoc.notesdb as ndb
 from app.scodoc import html_sco_header
@@ -254,9 +256,12 @@ def formsemestre_synchro_etuds(
             )
             if partitions:  # il y a au moins une vraie partition
                 H.append(
-                    """<li><a class="stdlink" href="affectGroups?partition_id=%s">Répartir les groupes de %s</a></li>
+                    f"""<li><a class="stdlink" href="{
+                        url_for("scolar.affectGroups",
+                scodoc_dept=g.scodoc_dept,
+                partition_id=partitions[0]["partition_id"]
+                )}">Répartir les groupes de partitions[0]["partition_name"]</a></li>
                 """
-                    % (partitions[0]["partition_id"], partitions[0]["partition_name"])
                 )
 
     H.append(footer)
diff --git a/app/views/absences.py b/app/views/absences.py
index c5591f18..d6f628d7 100644
--- a/app/views/absences.py
+++ b/app/views/absences.py
@@ -809,7 +809,7 @@ def _gen_form_saisie_groupe(
                 '<td><a title=%s><input type="checkbox" name="abslist:list" value="%s" %s onclick="on_toggled(this, \'%s\', \'%s\')"/></a></td>'
                 % (
                     bulle_pm,
-                    etudid + ":" + date + ":" + "pm",
+                    str(etudid) + ":" + date + ":" + "pm",
                     checked,
                     etudid,
                     date + ":pm",
@@ -820,7 +820,7 @@ def _gen_form_saisie_groupe(
     # place la liste des etudiants et les dates pour pouvoir effacer les absences
     H.append(
         '<input type="hidden" name="etudids" value="%s"/>'
-        % ",".join([etud["etudid"] for etud in etuds])
+        % ",".join([str(etud["etudid"]) for etud in etuds])
     )
     H.append('<input type="hidden" name="datedebut" value="%s"/>' % dates[0])
     H.append('<input type="hidden" name="datefin" value="%s"/>' % dates[-1])