1 import re 
 2 pattern = 'hello'
 3 s = 'hello python'
 4 m = re.search(pattern,s)
 5 print(m)
 6 print(m.group())
 7 
 8 print('--------match和search的区别--------')
 9 pattern = 'love'
10 s = 'I love you'
11 m = re.match(pattern,s)
12 print('使用match进行匹配',m)
13 w = re.search(pattern,s)
14 print('使用search进行匹配',w)
15 print(w.group())

1 <re.Match object; span=(0, 5), match='hello'>
2 hello
3 --------match和search的区别--------
4 使用match进行匹配 None
5 使用search进行匹配 <re.Match object; span=(2, 6), match='love'>
6 love