view ply-3.8/test/lex_re3.py @ 12267:7e5beba54694 draft

<b_jonas> slashlearn aoc//Advent of Code (AoC) is a series of programming puzzles that some regulars enjoy, found at "https://adventofcode.com/2019/about".
author HackEso <hackeso@esolangs.org>
date Mon, 16 Dec 2019 22:53:41 +0000
parents 343ff337a19b
children
line wrap: on
line source

# lex_re3.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",
    "POUND",
    ]

t_PLUS = r'\+'
t_MINUS = r'-'
t_NUMBER = r'(\d+)'
t_POUND = r'#'

def t_error(t):
    pass



lex.lex()