diff --git a/doc/source/changes.rst b/doc/source/changes.rst
index e61aa4e..cd1efbb 100644
--- a/doc/source/changes.rst
+++ b/doc/source/changes.rst
@@ -1,6 +1,14 @@
 Change log
 ##########
 
+Version 0.34.6
+==============
+
+In development.
+
+.. include:: ./changes/version_0_34_6.rst.inc
+
+
 Version 0.34.5
 ==============
 
diff --git a/doc/source/changes/version_0_34_6.rst.inc b/doc/source/changes/version_0_34_6.rst.inc
new file mode 100644
index 0000000..3ea2746
--- /dev/null
+++ b/doc/source/changes/version_0_34_6.rst.inc
@@ -0,0 +1,9 @@
+.. py:currentmodule:: larray_editor
+
+Fixes
+^^^^^
+
+* fixed some console plots (again) because a "fix" in the partially done
+  0.34.5 release introduced other problems. Sadly, these new problems were
+  discovered after the release process for 0.34.5 was started, hence the
+  partial release.
\ No newline at end of file
diff --git a/larray_editor/__init__.py b/larray_editor/__init__.py
index 2d3b8ad..eaf1982 100644
--- a/larray_editor/__init__.py
+++ b/larray_editor/__init__.py
@@ -1,3 +1,3 @@
 from larray_editor.api import *  # noqa: F403
 
-__version__ = '0.34.5'
+__version__ = '0.34.6-dev'
diff --git a/larray_editor/editor.py b/larray_editor/editor.py
index a06da13..24e2f2d 100644
--- a/larray_editor/editor.py
+++ b/larray_editor/editor.py
@@ -76,9 +76,13 @@
 
 REOPEN_LAST_FILE = object()
 
-assignment_pattern = re.compile(r'[^\[\]]+[^=]=[^=].+')
-setitem_pattern = re.compile(r'(\w+)(\.i|\.iflat|\.points|\.ipoints)?\[.+\][^=]*=[^=].+')
-history_vars_pattern = re.compile(r'_i?\d+')
+ASSIGNMENT_PATTERN = re.compile(r'[^\[\]]+[^=]=[^=].+')
+SUBSET_UPDATE_PATTERN = re.compile(r'(\w+)'
+                                   r'(\.i|\.iflat|\.points|\.ipoints)?'
+                                   r'\[.+\]\s*'
+                                   r'([-+*/%&|^><]|//|\*\*|>>|<<)?'
+                                   r'=\s*[^=].*')
+HISTORY_VARS_PATTERN = re.compile(r'_i?\d+')
 # XXX: add all scalars except strings (from numpy or plain Python)?
 # (long) strings are not handled correctly so should NOT be in this list
 # tuple, list
@@ -668,7 +672,7 @@ def delete_current_item(self):
     def line_edit_update(self):
         import larray as la
         last_input = self.eval_box.text()
-        if assignment_pattern.match(last_input):
+        if ASSIGNMENT_PATTERN.match(last_input):
             context = self.data._objects.copy()
             exec(last_input, la.__dict__, context)
             varname = self.update_mapping(context)
@@ -690,13 +694,13 @@ def ipython_cell_executed(self):
         ip_keys = {'In', 'Out', '_', '__', '___', '__builtin__', '_dh', '_ih', '_oh', '_sh', '_i', '_ii', '_iii',
                    'exit', 'get_ipython', 'quit'}
         # '__builtins__', '__doc__', '__loader__', '__name__', '__package__', '__spec__',
-        clean_ns = {k: v for k, v in user_ns.items() if k not in ip_keys and not history_vars_pattern.match(k)}
+        clean_ns = {k: v for k, v in user_ns.items() if k not in ip_keys and not HISTORY_VARS_PATTERN.match(k)}
 
         # user_ns['_i'] is not updated yet (refers to the -2 item)
         # 'In' and '_ih' point to the same object (but '_ih' is supposed to be the non-overridden one)
         cur_input_num = len(user_ns['_ih']) - 1
         last_input = user_ns['_ih'][-1]
-        setitem_match = setitem_pattern.match(last_input)
+        setitem_match = SUBSET_UPDATE_PATTERN.match(last_input)
         if setitem_match:
             varname = setitem_match.group(1)
             # setitem to (i)python special variables do not concern us
diff --git a/larray_editor/tests/test_inplace_modification_pattern.py b/larray_editor/tests/test_inplace_modification_pattern.py
new file mode 100644
index 0000000..d139809
--- /dev/null
+++ b/larray_editor/tests/test_inplace_modification_pattern.py
@@ -0,0 +1,32 @@
+from larray_editor.editor import SUBSET_UPDATE_PATTERN
+
+
+def test_pattern():
+    assert SUBSET_UPDATE_PATTERN.match('arr1[1] = 2')
+    assert SUBSET_UPDATE_PATTERN.match('arr1[1]= 2')
+    assert SUBSET_UPDATE_PATTERN.match('arr1[1]=2')
+    assert SUBSET_UPDATE_PATTERN.match("arr1['a'] = arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[func(mapping['a'])] = arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1.i[0, 0] = arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1.iflat[0, 0] = arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1.points[0, 0] = arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1.ipoints[0, 0] = arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] += arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] -= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] *= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] /= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] %= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] //= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] **= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] &= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] |= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] ^= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] >>= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0] <<= arr2")
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0]") is None
+    assert SUBSET_UPDATE_PATTERN.match("arr1.method()") is None
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0].method()") is None
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0].method(arg=thing)") is None
+    assert SUBSET_UPDATE_PATTERN.match("arr1[0].method(arg==thing)") is None
+    # this test fails but I don't think it is possible to fix it with regex
+    # assert SUBSET_UPDATE_PATTERN.match("arr1[func('[]=0')].method()") is None
diff --git a/setup.py b/setup.py
index 9ad2837..09837f4 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ def readlocal(fname):
 
 
 DISTNAME = 'larray-editor'
-VERSION = '0.34.5'
+VERSION = '0.34.6-dev'
 AUTHOR = 'Gaetan de Menten, Geert Bryon, Johan Duyck, Alix Damman'
 AUTHOR_EMAIL = 'gdementen@gmail.com'
 DESCRIPTION = "Graphical User Interface for LArray library"