[ie] Fix deprecated `re.split` positional arg (3.13)

Authored by: bashonly

yt_dlp/extractor/ceskatelevize.py

@@ -101,7 +101,7 @@ class CeskaTelevizeIE(InfoExtractor):
         site_name = self._og_search_property('site_name', webpage, fatal=False, default='Česká televize')
         playlist_title = self._og_search_title(webpage, default=None)
         if site_name and playlist_title:
-            playlist_title = re.split(r'\s*[—|]\s*%s' % (site_name, ), playlist_title, 1)[0]
+            playlist_title = re.split(r'\s*[—|]\s*%s' % (site_name, ), playlist_title, maxsplit=1)[0]
         playlist_description = self._og_search_description(webpage, default=None)
         if playlist_description:
             playlist_description = playlist_description.replace('\xa0', ' ')

yt_dlp/extractor/common.py

@@ -3526,7 +3526,7 @@ class InfoExtractor:
                     # See com/longtailvideo/jwplayer/media/RTMPMediaProvider.as
                     # of jwplayer.flash.swf
                     rtmp_url_parts = re.split(
-                        r'((?:mp4|mp3|flv):)', source_url, 1)
+                        r'((?:mp4|mp3|flv):)', source_url, maxsplit=1)
                     if len(rtmp_url_parts) == 3:
                         rtmp_url, prefix, play_path = rtmp_url_parts
                         a_format.update({

yt_dlp/extractor/thisvid.py

@@ -134,7 +134,7 @@ class ThisVidPlaylistBaseIE(InfoExtractor):
         title = re.split(
             r'(?i)\s*\|\s*ThisVid\.com\s*$',
             self._og_search_title(webpage, default=None)
-            or self._html_search_regex(r'(?s)<title\b[^>]*>(.+?)</title', webpage, 'title', fatal=False) or '', 1)[0] or None
+            or self._html_search_regex(r'(?s)<title\b[^>]*>(.+?)</title', webpage, 'title', fatal=False) or '', maxsplit=1)[0] or None
 
         return self.playlist_from_matches(
             self._generate_playlist_entries(url, playlist_id, webpage),