replace standard library 're' uses with 'util.re()'

gallery_dl/extractor/zerochan.py

@@ -12,7 +12,6 @@ from .booru import BooruExtractor
 from ..cache import cache
 from .. import text, util, exception
 import collections
-import re
 
 BASE_PATTERN = r"(?:https?://)?(?:www\.)?zerochan\.net"
 
@@ -127,7 +126,7 @@ class ZerochanExtractor(BooruExtractor):
         return data
 
     def _parse_json(self, txt):
-        txt = re.sub(r"[\x00-\x1f\x7f]", "", txt)
+        txt = util.re(r"[\x00-\x1f\x7f]").sub("", txt)
         main, _, tags = txt.partition('tags": [')
 
         item = {}