2212 

  2212 

  2213 class _re:

  2213 class _re:

  2214     def _checkre2(self):

  2214     def _checkre2(self):

  2215         global _re2

  2215         global _re2

  2216         global _re2_input

  2216         global _re2_input

  2217 

  2220 

  2218         check_pattern = br'\[([^\[]+)\]'

  2221         check_pattern = br'\[([^\[]+)\]'

  2219         check_input = b'[ui]'

  2222         check_input = b'[ui]'

  2220         try:

  2223         try:

  2221             # check if match works, see issue3964

  2224             # check if match works, see issue3964