Update the tokenizer's URL_RE to include domain names ending with .co…

…m, possibly w/ TLD, w/o www

stanza/models/tokenization/utils.py

@@ -195,7 +195,7 @@ def process_sentence(sentence, mwt_dict=None):
 
 # https://stackoverflow.com/questions/3809401/what-is-a-good-regular-expression-to-match-a-url
 # modification: disallow " as opposed to all ^\s
-URL_RAW_RE = r"""(?:https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s"]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s"]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s"]{2,}|www\.[a-zA-Z0-9]+\.[^\s"]{2,})"""
+URL_RAW_RE = r"""(?:https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s"]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s"]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s"]{2,}|www\.[a-zA-Z0-9]+\.[^\s"]{2,})|[a-zA-Z0-9]+\.com(?:\.[^\s"]{2,})?"""
 
 MASK_RE = re.compile(f"(?:{EMAIL_RAW_RE}|{URL_RAW_RE})")