diff --git a/cleanbasestation.py b/cleanbasestation.py
index 7ec6841..88f9040 100644
--- a/cleanbasestation.py
+++ b/cleanbasestation.py
@@ -73,6 +73,20 @@ SUBSTITUTIONS = {
 }
 
 
+RE_SUBSTITUTIONS = [
+    [re.compile(r'\bAS.?350.?B.?1'), 'AS 350 B1'],
+    [re.compile(r'\bAS.?350.?B.?2'), 'AS 350 B2'],
+    [re.compile(r'\bAS.?350.?B.?3'), 'AS 350 B3'],
+]
+
+def do_re_substitutions(s):
+    new_s = s
+    for regex, replacement in RE_SUBSTITUTIONS:
+        new_s = regex.sub(replacement, new_s)
+    if new_s != s:
+        print([s, new_s])
+    return new_s
+
 def contains_upper_and_lower(s):
     return any(c.isupper() for c in s) and any(c.islower() for c in s)
 
@@ -95,6 +109,7 @@ def fix_type(s):
         tokens = [title_case(t) for t in tokens]
         tokens = [SUBSTITUTIONS.get(t.lower(), t) for t in tokens]
         s = ' '.join(tokens)
+        s = do_re_substitutions(s)
     return s