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view ply-3.8/test/lex_re2.py @ 12251:43e81e35c694 draft
<oerjan> revert
author | HackEso <hackeso@esolangs.org> |
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date | Fri, 06 Dec 2019 07:49:53 +0000 |
parents | 343ff337a19b |
children |
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# lex_re2.py # # Regular expression rule matches empty string import sys if ".." not in sys.path: sys.path.insert(0,"..") import ply.lex as lex tokens = [ "PLUS", "MINUS", "NUMBER", ] t_PLUS = r'\+?' t_MINUS = r'-' t_NUMBER = r'(\d+)' def t_error(t): pass lex.lex()