splitting on 2 or more possible characters

[Windspar]

import re

a = 'bacon-eggs_spam*ham!foo&bar'
# single char
print(re.split('[-_*!&]', a))

b = 'foo123bar'
# group
print(re.split('123', b))

---

import re

b = 'foo123bar'
c = re.split('\d', b) # split numbers
print(c) # not filter
print([i for i in c if i != '']) # filter

---

import re

a = 'bacon-eggs_spam*ham!foo&bar'
print(re.split('\W', a))
print(re.split('\W|[_]', a))