python正则表达式实现自动化编程

import re

import re
 
ageRegex=re.compile(r'\d\d\d\d')
a=ageRegex.search("今年是2023年")
print(a)
print(a.group())
'''<re.Match object; span=(3, 7), match='2023'>
2023
'''

import re
Regex=re.compile(r'(\d\d\d\d)-(\d)-(\d)')
a=Regex.search('今年是2023-1-1')
print(a)
print(a.group(1))
print(a.groups())
'''<re.Match object; span=(3, 11), match='2023-1-1'>
2023
('2023', '1', '1')
'''

import re
Regex=re.compile(r'hello|hi')
a=Regex.search('hello world hi time')
print(a.group())
'''hello'''

import re
Regex=re.compile(r'Bat(man|mobile|bat)')
a=Regex.search('Batmobile lost a wheel , l like Batman')
print(a.group())
print(a.group(1))
'''Batmobile
mobile'''

import re
Regex=re.compile(r'hello (world)?')
a=Regex.search('hello world hello time')
b=Regex.search('hello time')
print(a.group())
print(b.group())
'''hello world
hello '''

import re
Regex=re.compile(r'(super)*man')
a=Regex.search('I am superman')
b=Regex.search('I am supersupersuperman')
print(a.group())
print(b.group())
'''superman
supersupersuperman
'''

import re
Regex=re.compile(r'(super)+man')
c=Regex.search('I am man')
a=Regex.search('I am superman')
b=Regex.search('I am supersupersuperman')
print(a.group())
print(b.group())
print(c)
'''superman
supersupersuperman
None
'''

import re
Regex=re.compile(r'(hello){2}')
a=Regex.search('hellohello time hello')
print(a.group())
'''hellohello'''

import re
Regex=re.compile(r'(a){2,8}?')
Regex1=re.compile(r'(a){2,8}')
string='aaaaaaaaaaaaaa'
a=Regex.search(string)
b=Regex1.search(string)
print(a.group())  #非贪心
print(b.group())
'''aa
aaaaaaaa'''

import re
Regex=re.compile(r'hello')
string='hello world! hello time!'
a=Regex.search(string)
b=Regex.findall(string)
print(a.group())
print(b)
'''hello
['hello', 'hello']'''

import re
Regex=re.compile(r'\d+\s\w+')
a=Regex.findall('1 dog,2 pig,3 duck,4 cat,5 fish,6 col')
print(a)
'''['1 dog', '2 pig', '3 duck', '4 cat', '5 fish', '6 col']'''

import re
Regex=re.compile(r'[a-z]')
Regex1=re.compile(r'[aioue]')  #元音
string='abcdefghijklmnopqrstuvwsyz'
a=Regex.findall(string)
b=Regex1.findall(string)
print(b)
'''['a', 'e', 'i', 'o', 'u']'''
print(a)
'''['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 
'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 's', 'y', 'z']'''

import re
Regex=re.compile(r'^\d+\w+$')
a=Regex.findall('1b32c23d')
print(a)
'''['1b32c23d']'''

import re
Regex=re.compile(r'.a.')
a=Regex.findall('dfweascareaefefwa')
print(a)
'''['eas', 'car', 'eae']'''

import re
Regex=re.compile(r'<.*>')
a=Regex.findall('<adf>,<fedf>,<gre>,<fww2>')
print(a)
'''['<adf>,<fedf>,<gre>,<fww2>']'''

import re
Regex=re.compile(r'.*',re.DOTALL)
a=Regex.findall('hello world hello time')
print(a)
'''['hello world hello time', '']'''