Fix whitespace handling

youtube-extract

@@ -56,7 +56,7 @@ channelPattern = '|'.join([
 	r'/www\.youtube\.com/c/[^/?&=.]+',
 	r'/www\.youtube\.com/user/[^/?&=.]+',
 	r'/www\.youtube\.com/channel/UC[0-9A-Za-z_-]{22}',
-	r'/www\.youtube\.com/[^/?&=.]+(?=/?$)',
+	r'/www\.youtube\.com/[^/?&=.\s]+(?=/?(\s|$))',
   ])
 
 # Make sure that the last 11 chars of the match are always the video ID (because Python's re doesn't support \K).
@@ -114,19 +114,21 @@ for origLine in sys.stdin:
 	origLine = origLine.strip()
 	line = re.sub(r'^https?://', '//', origLine)
 	line = domainPattern.sub('/www.youtube.com/', line)
+	candidates = re.split(r'\s+', line)
 	hadMatches = False
-	for pattern, paramSearch, f in matchers:
-		results = set()
-		for m in itertools.chain((x for x in pattern.finditer(line)), (x for x in pattern.finditer(percentdecode(line))) if paramSearch else ()):
-			hadMatches = True
-			r = f(m)
-			if r in results:
-				continue
-			results.add(r)
-			if r is None:
+	for candidate in candidates:
+		for pattern, paramSearch, f in matchers:
+			results = set()
+			for m in itertools.chain((x for x in pattern.finditer(candidate)), (x for x in pattern.finditer(percentdecode(candidate))) if paramSearch else ()):
+				hadMatches = True
+				r = f(m)
+				if r in results:
+					continue
+				results.add(r)
+				if r is None:
+					break
+				print(r)
+			if None in results:
 				break
-			print(r)
-		if None in results:
-			break
 	if not hadMatches:
 		print(origLine, file = sys.stderr)