python--match 和search的用法区别

import re
content01 = ‘Extra things Hello 1234567 World_This is a Regex Demo Extra stings‘
result01 = re.match(‘Hello.*?(\d+).*‘, content01)print(result01.group())

  结果为：

  print(result01.group())
  AttributeError: ‘NoneType‘ object has no attribute ‘group‘

==============================================================================================

import re
content01 = ‘Extra things Hello 1234567 World_This is a Regex Demo Extra stings‘
result01 = re.search(‘Hello.*?(\d+).*‘, content01)
print(result01.group())

结果为：
Hello 1234567 World_This is a Regex Demo Extra stings