Python正则表达式字符串处理方法示例(re库)

import re
message = '张三、李四、王五、赵六'
result = re.match('张三',message)
print(result)

import re
message = '张三、李四、王五、赵六'
result = re.search('王五',message)
print(result)

import re
message = '张三、李四、王五、赵六、王五'
result = re.findall('王五',message)
print(result)

import re
message = 'Python93,C87,Java63,C++88'
result_1 = re.search('[cn]',message)
result_2 = re.findall('[0-9]',message)
result_3 = re.findall('[cn][0-9]',message)
print(result_1,result_2,result_3)

import re
message = 'da2a7ddbre77yifed777t3fefd7777b'
result = re.findall('[a-z]*[0-9][a-z]',message)
print(result)

import re
phone_num = input("请输入您的手机号码：")
result = re.findall('^1[0-9]{10}$',phone_num)
print(result)

import re
QQ_num = input("请输入您的QQ号: ")
result = re.match('[1-9][0-9]{4,10}$',QQ_num)
print(result)

import re
use_name = input("请输入您的用户名: ")
result = re.findall('^[A-Za-z_]\w{7,}$',use_name)
print(result)

import re
use_name = input("请输入您的用户名： ")
result = re.findall('^[A-Za-z_]\w{7,}$',use_name)
print(result)

import re
message = 'verb very never every'
result = re.findall(r'\w+er\B',message)
print(result)

import re
message = 'verb very never every'
result = re.findall('.e',message)
print(result)

import re
message = 'ccc739134792hd'
result = re.findall('ccc\d+',message)
print(result)

import re
message = 'ccc739134792hd'
result = re.findall('ccc\d+?',message)
print(result)

import re
message = 'verb very never every'
result = re.findall('\w+evI\w+ry',message)
print(result)

import re
message = 'verb very never every'
result = re.findall("e(.+)(.)r",message)
print(result)

import re
content = 'dh9322hf9f934hfnf39d'
content = re.sub('\d','0',content)
print(content)

import re
contentl = '2020 12 15 12:00'
pattern = re.compile('\d{2}:\d{2}')
print(pattern.findall(contentl))