1# lex_ignore2.py
2#
3# ignore declaration as a raw string
4
5import sys
6if ".." not in sys.path: sys.path.insert(0,"..")
7
8import ply.lex as lex
9
10tokens = [
11    "PLUS",
12    "MINUS",
13    "NUMBER",
14    ]
15
16t_PLUS = r'\+'
17t_MINUS = r'-'
18t_NUMBER = r'\d+'
19
20t_ignore = r' \t'
21
22def t_error(t):
23    pass
24
25
26
27lex.lex()
28
29
30