熊猫-按数字和字母拆分并保存上次拆分

Series.str.extract

s = pd.Series(['12345678ABC', '12345678ABCDEF', '12345A6789AB', 
               '12A3456ABC', '1234123', 'ABCDERED'])

s.str.extract('(?:(.*\d))?(?:([a-zA-Z]+))?')

            0         1
0    12345678       ABC
1    12345678    ABCDEF
2  12345A6789        AB
3     12A3456       ABC
4     1234123       NaN
5         NaN  ABCDERED

# Let A be the array containing strings
# Let nA be the seperated string array
# Let pA be the prefix array
for i in A:
    t = -1
    for index, character in enumerate(i[::-1]):
        if character.isdigit():
            t = index + 1
            break
    nA.append(i[t:])
    pA.append(i[:t])
for index, i in enumerate(A):
    print(pA[index], ' ', nA[index])