Python re.split on","或""

Question

试图让re.split正常工作.输入="a1 a2 a3,a4,a5"

expecting output = ['a1','a2','a3','a4','a5']
s = re.split(',|\s', "a1 a2 a3, a4,a5")
getting output = ['a1','a2','a3',' ','a4','a5']

Answer 1

您必须允许一个或多个拆分字符:

>>> re.split('[,\s]+', "a1 a2 a3, a4,a5")
['a1', 'a2', 'a3', 'a4', 'a5']