No. Regular expressions in Python are handled by the re module. article = re.sub(r'(?is)</html>.+', '</html>', article). In general: ... <看更多>

Finding and replacing substring within text is a common preprocessing task when working with text. The re.sub ... ... <看更多>

For basic manipulation of strings, Python's built-in string methods can be ... to this replace() functionality, see the discussion of regular expressions in ... ... <看更多>

compile regex. # source: https://stackoverflow.com/questions/6116978/python-replace-multiple-strings. rep = dict([(key, '_keyword_') for key in ... ... <看更多>

You might want to experiment with NLTK, a leading platform for building Python programs to work with human language data :. ... <看更多>