Fix some bugs in fetching Reddit comments.

RedditCommentsParser.py

@@ -17,7 +17,11 @@ class RedditComments:
         return username + " " + date
 
     def getText(self, commentObj):
-        return commentObj.find("p").text
+        p = commentObj.find("p")
+        if p is not None:
+            return p.text
+        else:
+            return ""
 
     def getComments(self):
         for co in self.commentObjects:

Utils.py

@@ -16,7 +16,7 @@ def checkReddit(link):
 
 def checkRedditComments(links):
     for link in links:
-        if re.search("^https://www.reddit.com/[a-z1-9/]+/comments", link) is not None:
+        if re.search("^https://www.reddit.com/[a-zA-Z1-9/]+/comments", link) is not None:
             return link
     return False