--- a
+++ b/notebooks/sentences/sentences.md
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+---
+jupyter:
+  jupytext:
+    formats: ipynb,md
+    text_representation:
+      extension: .md
+      format_name: markdown
+      format_version: '1.3'
+      jupytext_version: 1.11.4
+  kernelspec:
+    display_name: Python 3
+    language: python
+    name: python3
+---
+
+```python
+%reload_ext autoreload
+%autoreload 2
+```
+
+```python
+# Importation du "contexte", ie la bibliothèque sans installation
+import context
+```
+
+```python
+import spacy
+```
+
+```python
+from edsnlp.pipelines.sentences import SentenceSegmenter
+```
+
+# Sentences
+
+```python
+import re
+import spacy
+
+from spacy.tokenizer import Tokenizer
+from spacy.util import compile_prefix_regex, compile_suffix_regex
+
+# Ajout de règles supplémentaires pour gérer les infix
+def custom_tokenizer(nlp):
+    infix_re = re.compile(r'''[\,\?\:\;\‘\’\`\“\”\"\'~/\(\)\.\+=(->)\$]''')
+    prefix_re = compile_prefix_regex(nlp.Defaults.prefixes + ['-'])
+    suffix_re = compile_suffix_regex(nlp.Defaults.suffixes)
+    return Tokenizer(
+        nlp.vocab,
+        prefix_search=prefix_re.search,
+        suffix_search=suffix_re.search,
+        infix_finditer=infix_re.finditer,
+    )
+
+def new_nlp():
+
+    nlp = spacy.blank('fr')
+    nlp.tokenizer = custom_tokenizer(nlp)
+
+    return nlp
+```
+
+```python
+text = (
+    "Le patient est admis pour des douleurs dans le bras droit, mais n'a pas de problème de locomotion. "
+    "Historique d'AVC dans la famille mais\n"
+    "pourrait être un cas de rhume\n"
+    "Pourrait aussi être un cas de rhume.\n"
+    "Motif :\n"
+    "-problème de locomotions\n"
+    "Douleurs dans le bras droit.\n\n\n\n"
+)
+```
+
+```python
+nlp = new_nlp()
+nlp.add_pipe('sentencizer')
+```
+
+```python
+doc = nlp(text)
+```
+
+```python
+for sent in doc.sents:
+    print('##', repr(sent.text))
+```
+
+```python
+nlp = new_nlp()
+```
+
+```python
+sentencer = SentenceSegmenter()
+```
+
+```python
+doc = sentencer(nlp(text))
+```
+
+```python
+for sent in doc.sents:
+    print('##', repr(sent.text))
+```
+
+Note that the newline character is now linked to the preceding sentence. That is especially relevant if the note ends on a newline.
+
+```python
+
+```