Update regex

app.py

@@ -41,6 +41,8 @@ origins = [
     "*",
 ]
 
+regex = r"^(\d+[a-z]?(?:\.\d+)*)\t[\ \S]+$"
+
 app.add_middleware(
     CORSMiddleware,
     allow_origins=origins,
@@ -164,7 +166,7 @@ def get_spec_content(specification: str, version: str):
     chapters = []
     for line in toc_brut:
         x = line.split("\t")
-        m = re.search(r"^(\d+(?:\.\d+)*)\t[\ \S]+$", line)
+        m = re.search(regex, line)
         if m and any(line in c for c in text[forewords[0]:forewords[1]]):
             chapters.append(line)
             print(line)