Where find regexs needed to build lexical analyzer for Python source code?

Hao Lian me at haolian.org
Sat Sep 12 06:41:18 CEST 2009


Chris Seberino writes with great flourish:

> 
> I'd like to build a lexer aka lexical analyzer aka tokenizer for
> Python source code as a learning exercise.
> 
> Where can I find the regexs that define the tokens of Python source?
> (I am aware of tokenizer.py but I was hoping there was a web page w/ a
> list somewhere.)
> 
> cs


The tokenize library! bum bum bum

http://svn.python.org/view/python/trunk/Lib/tokenize.py




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