# -*- coding:UTF-8 -*-

import re

# 匹配目标

def target_match(content):

result = re.match('^Hello\s(\d+)\sWorld', content)

return result, result.group(), result.group(1), result.span()

# 通用匹配

def gena_match(content):

result = re.match('^Hello.*Demo$', content)

return result, result.group(), result.span()

# 贪婪匹配

def greed_match(content):

result = re.match('^He.*(\d+).*Demo$', content)

return result, result.group(1)

# 非贪婪匹配

def un_greed_match(content):

result = re.match('^He.*(\d+).*Demo$', content)

return result, result.group(1)

if __name__ == "__main__":

con_match = 'Hello 1234567 World_This is a Regex Demo'

target_match(con_match)

gena_match(con_match)

greed_match(con_match)

result_v, result_group = un_greed_match(con_match)

print(result_v, result_group)