docs: def wrap(s, prefix=r'\b', suffix=r'\b', grouper='()'):
      r"""Wrap a string (tyically a regex) with a prefix and suffix (usually a nonconuming word break)
      Arguments:
        prefix, suffix (str): strings to append to the front and back of the provided string
        grouper (2-len str or 2-tuple): characters or strings to separate prefix and suffix from the middle
      >>> wrap(r'\w*')
      '\\b(\\w*)\\b'
      >>> wrap(r'middle', prefix=None)
      '(middle)\\b'
      """
      return ((prefix or '') + try_get(grouper, 0, '') + (s or '') +
              try_get(grouper, 1, try_get(grouper, 0, '')) + (suffix or ''))