📅  最后修改于: 2022-03-11 14:45:29.064000             🧑  作者: Mango
In [1]: import re
In [2]: string = "Hello world"
In [3]: bool(re.search('\s', string))
Out[3]: True
In [4]: string = "World"
In [5]: bool(re.search('\s', string))
Out[5]: False