How to check if a given date format is present list of date formats using python?

Question

I need help in checking if the given date is present in the date format of a list. I have a list of date formats. I want to check if a given date is present in that date format. How do I do that? However, I tried doing it though getting an error.

My code:

x = "03-24-2019"
Date = ['%Y/%m/%d','%Y-%m-%d','%Y%m%d','%m/%d/%Y','%m-%d-%Y']
if x in any(Date):
    print(Date)
else:
    print('no')

Error message:

TypeError: argument of type 'bool' is not iterable

Execpted Output:

%m-%d-%Y

Write a parser. Based on number range and number separators get a format. Then check that string format in the list. — lllrnr101
– lllrnr101, Commented Mar 12, 2021 at 16:30

balderman · Accepted Answer · 2021-03-12 16:32:25Z

2

The below should work.

The idea is to loop over formats and try to call strptime

from datetime import datetime

x = "03-24-2019"
date_formats = ['%Y/%m/%d', '%Y-%m-%d', '%Y%m%d', '%m/%d/%Y', '%m-%d-%Y']
for date_format in date_formats:
    try:
        d = datetime.strptime(x, date_format)
        print(date_format)
        break
    except ValueError as e:
        pass

output

%m-%d-%Y

answered Mar 12, 2021 at 16:32

balderman

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