try ... except clear solution for Unix Match. Part 2 by David_Jones - python coding challenges

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try ... except solution in Clear category for Unix Match. Part 2 by David_Jones

import re

def unix_match(filename, pattern):
    pattern = pattern.replace('.', '\.')     \
                     .replace('[!', '[^')    \
                     .replace('[^]', '\[!]')
    try:
        return bool(re.match(pattern, filename))
    except re.error:
        return False

June 14, 2019

Comments:

Raszlo on April 6, 2020, 9:25 p.m.
Och my, this is genius in it's simplicity <pre class='brush: python'>.replace('[!', '[^').replace('[^]', '\[!]') </pre> the more solutions I watch the, the more ashamed I feel ;)

piter239 on April 25, 2020, 6:23 a.m.
my feelings exactly! I hope it is then followed by learning))

TheRing on March 23, 2023, 7:07 p.m.
same here

zwerkoff on July 30, 2020, 11:40 a.m.
"[]check.txt", "[]check.txt" is True. Your result is False!

jakubbortlik on Dec. 6, 2022, 10:37 a.m.
Simple solution to that problem is to `return filename == pattern` instead of `return False` in case of an `re.error`.

ddavidse on Nov. 13, 2020, 1:30 p.m.
using "import re" trivializes this exercise and cannot be the intended way of solving this

all-the-disasters on Aug. 24, 2021, 4:50 p.m.
why do you think it trivializes it?

danila.s_82f7885346184ca098f30 on July 6, 2021, 6:49 p.m.
Will this algorithm work for the following example? <blockquote> unix_match('1name[^].txt', '1name[^].txt') </blockquote> I think now. your result will be - FALSE. but must be (if I'm right) - TRUE

jakubbortlik on Dec. 6, 2022, 10:35 a.m.
I've avoided this problem by this: ``` except re.error as e: if e.msg == "unterminated character set": return filename == pattern ```

Mine

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