parsers: support comma-grouped amounts in BMO parser

parsers.py

@@ -124,7 +124,7 @@ class MBNAParser(TransactionParser):
 
 class BMOParser(TransactionParser):
     EXTRACT_RE = re.compile(
-        r"We want to let you know that a (withdrawal|deposit) of\s+\$(\d+\.\d{2})\s+has been made (?:to|from) your account ending\s+in\s+(\d{3})",  # noqa: E501
+        r"We want to let you know that a (withdrawal|deposit) of\s+\$([0-9,]+\.\d{2})\s+has been made (?:to|from) your account ending\s+in\s+(\d{3})",  # noqa: E501
         flags=re.MULTILINE,
     )
 
@@ -146,7 +146,7 @@ class BMOParser(TransactionParser):
         if matches is None:
             raise TransactionParsingFailed("No matches for extraction RE")
 
-        amount = Decimal(matches[2])
+        amount = Decimal(matches[2].replace(",", ""))
         if matches[1] == "withdrawal":
             amount = amount * -1
         date_raw = msg["Date"]