# python2
# -*- coding: utf-8 -*-

import re

str = ‘ABC\\-001‘
print str

str = r‘ABC\-001‘
print str

if re.match(r‘\w{3}\\\-\d{3}‘, str):
    print ‘good match‘
else:
    print ‘bad match‘

src = ‘hello\nworld‘
print src

if re.match(r‘hello\nworld‘, src):
    print ‘good match‘
else:
    print ‘bad match‘

if re.match(r‘hello.world‘, src):
    print ‘good match‘
else:
    print ‘bad match‘

if re.match(r‘hello.world‘, src, re.S):
    print ‘good match‘
else:
    print ‘bad match‘

src = r‘hello\nworld‘
print src

if re.match(r‘hello\\nworld‘, src):
    print ‘good match‘
else:
    print ‘bad match‘