Python练习正则

# _*_ coding:utf-8 _*_
import re
line = "Cats are smarter than dogs"

matchObj = re.match(r‘(.*) are (.*?) .*‘, line, re.M|re.I)

if matchObj:
    print("matchObj.group():", matchObj.group())
    print("matchObj.group(1):", matchObj.group(1))
    print("matchObj.group(2):", matchObj.group(2))
else:
    print("NO MATCH")

print()

matchObj = re.search(r‘dogs‘, line, re.M|re.I)
if matchObj:
    print("search --> matchObj.group():", matchObj.group())
else:
    print("NO MATCH:")

print()

phone = "2004-959-559 # This is Phone Number"

num = re.sub(r‘#.*$‘, "", phone)
print("phone num:", num)
num = re.sub(r‘\D‘, "", phone)
print("phone num:", num)
print()


print(re.match(‘www‘, ‘www.runoob.com‘).span())
print(re.match(‘com‘, ‘www.runoob.com‘))