# lex_token.py
#
# Bad regular expression in a string
import sys
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()