code: def _re_escape(s):
      """Escape regex control characters."""
      escaped = re.sub(r"[(){}\[\].*?|^$\\+-]", r"\\\g<0>", s)
      return escaped
  
imports: from __future__ import unicode_literals
  import abc
  import hashlib
  import json
  import re
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
label_desc: Use image node_id 5 for calling a global function with example usage: _re_escape(s) and returns: escaped