Use non-greedy regexps, for safety.

Since I was very lazy when I coded this, I took the fastest route.  Luckily,
Vasyl' Vavrychuk pointed this out and I went (after many months) and just
did some minor changes.

diff --git a/youtube-dl b/youtube-dl
index edd1d3f..e745906 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -1765,21 +1765,21 @@ class VimeoIE(InfoExtractor):
 
                # Extract uploader and title from webpage
                self.report_extraction(video_id)
-               mobj = re.search(r'<caption>(.*)</caption>', webpage)
+               mobj = re.search(r'<caption>(.*?)</caption>', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract video title')
                        return
                video_title = mobj.group(1).decode('utf-8')
                simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
 
-               mobj = re.search(r'<uploader_url>http://vimeo.com/(.*)</uploader_url>', webpage)
+               mobj = re.search(r'<uploader_url>http://vimeo.com/(.*?)</uploader_url>', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract video uploader')
                        return
                video_uploader = mobj.group(1).decode('utf-8')
 
                # Extract video thumbnail
-               mobj = re.search(r'<thumbnail>(.*)</thumbnail>', webpage)
+               mobj = re.search(r'<thumbnail>(.*?)</thumbnail>', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
                        return
@@ -1795,14 +1795,14 @@ class VimeoIE(InfoExtractor):
                video_description = 'Foo.'
 
                # Extract request signature
-               mobj = re.search(r'<request_signature>(.*)</request_signature>', webpage)
+               mobj = re.search(r'<request_signature>(.*?)</request_signature>', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract request signature')
                        return
                sig = mobj.group(1).decode('utf-8')
 
                # Extract request signature expiration
-               mobj = re.search(r'<request_signature_expires>(.*)</request_signature_expires>', webpage)
+               mobj = re.search(r'<request_signature_expires>(.*?)</request_signature_expires>', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract request signature expiration')
                        return