如何将带有特殊控制字符（例如\\'x1b'）的字符串转换为标准字符串？

Question

When I use python socket program, we give an option like:

1) Input A to show your name
2) Input B to show your age
3) Input other to set your name

>>

When client types 'Too' + delete button + 'm', server receives 'Too\\x1bm'.

How do I convert 'Too\\x1bm' to 'Tom' in Python?

There may also be other control characters like 'move cursor' and 'tab'.

Answer 1

If you know all the 'wrong characters' you can use .replace to remove unwanted parts.

'Too\x1bm'.replace(a[a.index('\x1b')-1:a.index('\x1b')+1],'')
returns >>> Tom

Answer 2

My first guess would be:

line = 'Too\x1bm'

if '\x1b' in line:
    while True:
        index = line.find('\x1b')
        if index > 0:
            line = line[:index - 1] + line[index + 1:]
        else:
            break

    line = line.replace('\x1b', '')