Retrieve variable from string in python

Asked Mar 07 '23 at 21:43

Active Mar 07 '23 at 22:20

Viewed 44 times

I am trying to retrieve variables from a string in python and having a tough time.

String looks something like this:

"{'_id': ObjectId('636d855390928b1b0392b764'), 'request_id': 99, 'timestamp': '2022-11-10T18:12:19.273576'}"

I want to retrieve the following values and assign them to variables:

objID = 636d855390928b1b0392b764

reqID = 99

timestamp = 2022-11-10T18:12:19.273576

The string will follow this format but obviously the values are random. I have tried using the import re library but maybe because of the '' characters I don't get the correct results.

I tried

objectID= re.findall(r'\'.*?\'', s)

to test out how this works this gives me everything between '' in a list. However, I want to get a value between ObjectId(' I attempted the following:

re.findall(r'ObjectId(.+?)',s)

But this outputs (. I try to get the '' marks in but I always get an error no matter how I try to include them.

Edit: included attempted code

edited Mar 07 '23 at 22:20

asked Mar 07 '23 at 21:43

user14488986

2

A regular expression is the way to go. Show what you tried and we'll help you fix it. – Barmar Mar 07 '23 at 21:46
I don't see why the `''` characters would be a problem. You just have to match them in the regexp. – Barmar Mar 07 '23 at 21:46
This string comes from MongoDB? – Corralien Mar 07 '23 at 21:48
[Edit] your question to include your best attempt at the code. – PM 77-1 Mar 07 '23 at 21:49
For example `ObjectId\(?'(\w+)'\)` – Barmar Mar 07 '23 at 21:50
@PM77-1 I have edited it to include what i attempted, how can I go about reopening this question? – user14488986 Mar 08 '23 at 14:14

Retrieve variable from string in python

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