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comparison ply-3.8/test/lex_re3.py @ 7267:343ff337a19b

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author HackBot
date Wed, 23 Mar 2016 02:40:16 +0000
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7266:61a39a120dee 7267:343ff337a19b
1 # lex_re3.py
2 #
3 # Regular expression rule matches empty string
4
5 import sys
6 if ".." not in sys.path: sys.path.insert(0,"..")
7
8 import ply.lex as lex
9
10 tokens = [
11 "PLUS",
12 "MINUS",
13 "NUMBER",
14 "POUND",
15 ]
16
17 t_PLUS = r'\+'
18 t_MINUS = r'-'
19 t_NUMBER = r'(\d+)'
20 t_POUND = r'#'
21
22 def t_error(t):
23 pass
24
25
26
27 lex.lex()
28
29