Escape abbreviation before substitution

matthen · web-flow · commit 369d839f2c22 · 2020-11-06T12:48:05.000+08:00
diff --git a/pysbd/abbreviation_replacer.py b/pysbd/abbreviation_replacer.py
@@ -65,7 +65,7 @@ def replace_period_of_abbr(self, txt, abbr):
         txt = " " + txt
         txt = re.sub(
             r"(?<=\s{abbr})\.(?=((\.|\:|-|\?|,)|(\s([a-z]|I\s|I'm|I'll|\d|\())))".format(
-                abbr=abbr.strip()
+                abbr=re.escape(abbr.strip())
             ),
             "∯",
             txt,
