code: def _begins_with_open_quote_regex():
      # Note: RE2 syntax doesn't support char class intersection.
      char_class = "".join(
          [
              '"',
              "'",
              "`",
              "\uff07",
              "\uff02",
              "\u2018",
              "\u201a",
              "\u201b",
              "\u201c",
              "\u00ab",
              "\u201e",
              "\u201f" + "\u2039",
              "\u300c",
              "\u300e",
              "\u301d",
              "\u2e42" + "\uff62",
              "\ufe41",
              "\ufe43",
          ]
      )
      return "``.*|[" + char_class + "][^" + char_class + "]*"
  
file_path: text/tensorflow_text/python/ops/wordshape_ops.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import enum
  import re
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import string_ops
label_desc: Use image node_id 3 for calling a global function with example usage: _begins_with_open_quote_regex() and returns: unknown