/Python/Python increment char a to b az to ba

Python increment char a to b az to ba

# Increment char (a -> b, az -> ba)
def inc_char(text, chlist = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'):
    # Unique and sort
    chlist = ''.join(sorted(set(str(chlist))))
    chlen = len(chlist)
    if not chlen:
        return ''
    text = str(text)
    # Replace all chars but chlist
    text = re.sub('[^' + chlist + ']', '', text)
    if not len(text):
        return chlist[0]
    # Increment
    inc = ''
    over = False
    for i in range(1, len(text)+1):
        lchar = text[-i]
        pos = chlist.find(lchar) + 1
        if pos < chlen:
            inc = chlist[pos] + inc
            over = False
            break
        else:
            inc = chlist[0] + inc
            over = True
    if over:
        inc += chlist[0]
    result = text[0:-len(inc)] + inc
    return result

Source: stackoverflow.com

Similar codes

4 votes173 views6 answers
Counter method in python
Python
1 vote206 views1 answer
Pyubx
Python
0 vote169 views1 answer
Imread real color cv2
Python
0 vote196 views1 answer
Creating base models django
Python
0 vote161 views1 answer
Python write to file permission denied
Python
0 vote180 views1 answer
Create array with shape 0,2
Python
-1 vote157 views2 answers
Foreign key and primary key difference
Python
0 vote223 views1 answer
Tkinter attribute error
Python
0 vote156 views1 answer
Signup
Python
5 votes178 views1 answer
Python generate id
Python