message: Add docs example for tf.strings.regex_replace
diff: @@ -78,6 +78,9 @@ regex_full_match.__doc__ = gen_string_ops.regex_full_match.__doc__
  def regex_replace(input, pattern, rewrite, replace_global=True, name=None):
  r"""Replace elements of `input` matching regex `pattern` with `rewrite`.
  + >>> tf.strings.regex_replace("Raw text with tags.<br /><b>It contains html</b>", '<[^>]+>', ' ')
  + <tf.Tensor: shape=(), dtype=string, numpy=b'Raw text with tags. It contains html '>
  +
  Args:
  input: string `Tensor`, the source strings to process.
  pattern: string or scalar string `Tensor`, regular expression to use,
  