class_docstr: Simple scanner
  
  All method patterns are regular expression strings (not
  compiled expressions!)
code: def __repr__(self):
      return "<%s %d/%d>" % (
          self.__class__.__name__,
          self.pos,
          self.data_length,
      )
  
file_path: catboost/contrib/python/Pygments/py2/pygments/scanner.py
imports: import re
label_desc: Use image node_id 7 for calling the Scanner obj's underlying member method code with example usage: obj.__repr__() and returns: unknown