Python check_bad_flags示例

示例#1

 def test_necessary_x_flag_2(self):
     r = Regex.get_parse_tree(r"(?x)foo#comment")
     errs = []
     check_bad_flags(r, errs)
     print(errs)
     self.assertEqual(len(errs), 0)

示例#2

 def test_necessary_i_flag2(self):
     r = Regex.get_parse_tree(r"(?m).$")
     errs = []
     check_bad_flags(r, errs)
     print(errs)
     self.assertEqual(len(errs), 0)

示例#3

 def test_unnecessary_x_flag(self):
     r = Regex.get_parse_tree(r"(?x)foo[ ]")
     errs = []
     check_bad_flags(r, errs)
     print(errs)
     self.assertEqual(len(errs), 1)

示例#4

 def test_necessary_i_flag_in_alternation3(self):
     r = Regex.get_parse_tree(r"(?i)[\x00-\x67]")
     errs = []
     check_bad_flags(r, errs)
     print(errs)
     self.assertEqual(len(errs), 0)