split.py

def split(n):
    if len(n) < 1:
        return '', ''
    first = n[0]
    rest = n[1:]
    a, b = split(rest)
    if first.islower() or first in ('_','.'):
        return first + a, b
    elif first.isupper() or first in (' ', '|'):
        return a, first + b
    else:
        return a, b

# >>> split("'lMiED)teD5E,_hLAe;Nm,0@Dli&Eg ,#4aI?rN@T§&e7#4E #<(S0A?<)NT8<0'")
# ('lite_hemligare', 'MEDDELANDE INTE SANT')
# >>>