# Can match an expression such as r*ggg

class RegularNode(object):

  def __init__(self, char, child=None, star=False):
    self.char = char
    self.star = star
    self.child = child

  def __call__(self, string):
    if self.char == '':
      return True
    else:
      if self.star:
        pass
      else:
        pass